Home / 107,008.09-161,248.27-88,700.16

Finding the Fourth Proportional to 107,008.09, 161,248.27 and 88,700.16

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Solution

The fourth proportional to 107,008.09, 161,248.27 and 88,700.16 is: 133,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008.09 : 161,248.27 = 88,700.16 : x
  2. Step 2: Convert to fraction form
    107,008.09/161,248.27 = 88,700.16/x
  3. Step 3: Cross multiply
    107,008.09x = 161,248.27 × 88,700.16
  4. Step 4: Simplify right side
    107,008.09x = 14,302,747,897.97
  5. Step 5: Solve for x
    x = 14,302,747,897.97/107,008.09
  6. Step 6: Final answer
    x = 133,660.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.