Home / 262,566.20-393,330.90-157,071.80

Finding the Fourth Proportional to 262,566.20, 393,330.90 and 157,071.80

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Solution

The fourth proportional to 262,566.20, 393,330.90 and 157,071.80 is: 235,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,566.20 : 393,330.90 = 157,071.80 : x
  2. Step 2: Convert to fraction form
    262,566.20/393,330.90 = 157,071.80/x
  3. Step 3: Cross multiply
    262,566.20x = 393,330.90 × 157,071.80
  4. Step 4: Simplify right side
    262,566.20x = 61,781,192,458.62
  5. Step 5: Solve for x
    x = 61,781,192,458.62/262,566.20
  6. Step 6: Final answer
    x = 235,297.58

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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.