Home / 356,152.14-534,499.02-131,724.90

Finding the Fourth Proportional to 356,152.14, 534,499.02 and 131,724.90

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Solution

The fourth proportional to 356,152.14, 534,499.02 and 131,724.90 is: 197,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,152.14 : 534,499.02 = 131,724.90 : x
  2. Step 2: Convert to fraction form
    356,152.14/534,499.02 = 131,724.90/x
  3. Step 3: Cross multiply
    356,152.14x = 534,499.02 × 131,724.90
  4. Step 4: Simplify right side
    356,152.14x = 70,406,829,959.60
  5. Step 5: Solve for x
    x = 70,406,829,959.60/356,152.14
  6. Step 6: Final answer
    x = 197,687.51

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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.