Home / 137,463.15-206,130.02-53,262.75

Finding the Fourth Proportional to 137,463.15, 206,130.02 and 53,262.75

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Solution

The fourth proportional to 137,463.15, 206,130.02 and 53,262.75 is: 79,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,463.15 : 206,130.02 = 53,262.75 : x
  2. Step 2: Convert to fraction form
    137,463.15/206,130.02 = 53,262.75/x
  3. Step 3: Cross multiply
    137,463.15x = 206,130.02 × 53,262.75
  4. Step 4: Simplify right side
    137,463.15x = 10,979,051,456.44
  5. Step 5: Solve for x
    x = 10,979,051,456.44/137,463.15
  6. Step 6: Final answer
    x = 79,869.05

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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.