Home / 137,582.38-206,331.00-66,460.84

Finding the Fourth Proportional to 137,582.38, 206,331.00 and 66,460.84

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Solution

The fourth proportional to 137,582.38, 206,331.00 and 66,460.84 is: 99,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,582.38 : 206,331.00 = 66,460.84 : x
  2. Step 2: Convert to fraction form
    137,582.38/206,331.00 = 66,460.84/x
  3. Step 3: Cross multiply
    137,582.38x = 206,331.00 × 66,460.84
  4. Step 4: Simplify right side
    137,582.38x = 13,712,930,812.98
  5. Step 5: Solve for x
    x = 13,712,930,812.98/137,582.38
  6. Step 6: Final answer
    x = 99,670.69

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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.