Home / 193,441,012.80-290,161,519.20-168,246,772.80

Finding the Fourth Proportional to 193,441,012.80, 290,161,519.20 and 168,246,772.80

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Solution

The fourth proportional to 193,441,012.80, 290,161,519.20 and 168,246,772.80 is: 252,370,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,441,012.80 : 290,161,519.20 = 168,246,772.80 : x
  2. Step 2: Convert to fraction form
    193,441,012.80/290,161,519.20 = 168,246,772.80/x
  3. Step 3: Cross multiply
    193,441,012.80x = 290,161,519.20 × 168,246,772.80
  4. Step 4: Simplify right side
    193,441,012.80x = 48,818,739,196,145,240
  5. Step 5: Solve for x
    x = 48,818,739,196,145,240/193,441,012.80
  6. Step 6: Final answer
    x = 252,370,159.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.