Home / 161,534.55-222,916.04-88,935.15

Finding the Fourth Proportional to 161,534.55, 222,916.04 and 88,935.15

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Solution

The fourth proportional to 161,534.55, 222,916.04 and 88,935.15 is: 122,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,534.55 : 222,916.04 = 88,935.15 : x
  2. Step 2: Convert to fraction form
    161,534.55/222,916.04 = 88,935.15/x
  3. Step 3: Cross multiply
    161,534.55x = 222,916.04 × 88,935.15
  4. Step 4: Simplify right side
    161,534.55x = 19,825,071,010.13
  5. Step 5: Solve for x
    x = 19,825,071,010.13/161,534.55
  6. Step 6: Final answer
    x = 122,729.60

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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.