Home / 161,177.13-222,420.04-89,555.31

Finding the Fourth Proportional to 161,177.13, 222,420.04 and 89,555.31

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Solution

The fourth proportional to 161,177.13, 222,420.04 and 89,555.31 is: 123,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,177.13 : 222,420.04 = 89,555.31 : x
  2. Step 2: Convert to fraction form
    161,177.13/222,420.04 = 89,555.31/x
  3. Step 3: Cross multiply
    161,177.13x = 222,420.04 × 89,555.31
  4. Step 4: Simplify right side
    161,177.13x = 19,918,895,632.41
  5. Step 5: Solve for x
    x = 19,918,895,632.41/161,177.13
  6. Step 6: Final answer
    x = 123,583.88

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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.