Home / 345,016.02-517,549.14-108,356.70

Finding the Fourth Proportional to 345,016.02, 517,549.14 and 108,356.70

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Solution

The fourth proportional to 345,016.02, 517,549.14 and 108,356.70 is: 162,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,016.02 : 517,549.14 = 108,356.70 : x
  2. Step 2: Convert to fraction form
    345,016.02/517,549.14 = 108,356.70/x
  3. Step 3: Cross multiply
    345,016.02x = 517,549.14 × 108,356.70
  4. Step 4: Simplify right side
    345,016.02x = 56,079,916,898.24
  5. Step 5: Solve for x
    x = 56,079,916,898.24/345,016.02
  6. Step 6: Final answer
    x = 162,542.94

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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.