Home / 181,402.02-272,105.82-69,088.47

Finding the Fourth Proportional to 181,402.02, 272,105.82 and 69,088.47

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Solution

The fourth proportional to 181,402.02, 272,105.82 and 69,088.47 is: 103,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.02 : 272,105.82 = 69,088.47 : x
  2. Step 2: Convert to fraction form
    181,402.02/272,105.82 = 69,088.47/x
  3. Step 3: Cross multiply
    181,402.02x = 272,105.82 × 69,088.47
  4. Step 4: Simplify right side
    181,402.02x = 18,799,374,781.90
  5. Step 5: Solve for x
    x = 18,799,374,781.90/181,402.02
  6. Step 6: Final answer
    x = 103,633.77

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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.