Home / 161,962.20-242,833.95-86,073.30

Finding the Fourth Proportional to 161,962.20, 242,833.95 and 86,073.30

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Solution

The fourth proportional to 161,962.20, 242,833.95 and 86,073.30 is: 129,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962.20 : 242,833.95 = 86,073.30 : x
  2. Step 2: Convert to fraction form
    161,962.20/242,833.95 = 86,073.30/x
  3. Step 3: Cross multiply
    161,962.20x = 242,833.95 × 86,073.30
  4. Step 4: Simplify right side
    161,962.20x = 20,901,519,428.54
  5. Step 5: Solve for x
    x = 20,901,519,428.54/161,962.20
  6. Step 6: Final answer
    x = 129,051.84

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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.