Home / 160,961.13-222,127.23-100,566.80

Finding the Fourth Proportional to 160,961.13, 222,127.23 and 100,566.80

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Solution

The fourth proportional to 160,961.13, 222,127.23 and 100,566.80 is: 138,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.13 : 222,127.23 = 100,566.80 : x
  2. Step 2: Convert to fraction form
    160,961.13/222,127.23 = 100,566.80/x
  3. Step 3: Cross multiply
    160,961.13x = 222,127.23 × 100,566.80
  4. Step 4: Simplify right side
    160,961.13x = 22,338,624,247.74
  5. Step 5: Solve for x
    x = 22,338,624,247.74/160,961.13
  6. Step 6: Final answer
    x = 138,782.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.