Home / 390,723.32-586,096.93-134,553.14

Finding the Fourth Proportional to 390,723.32, 586,096.93 and 134,553.14

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Solution

The fourth proportional to 390,723.32, 586,096.93 and 134,553.14 is: 201,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,723.32 : 586,096.93 = 134,553.14 : x
  2. Step 2: Convert to fraction form
    390,723.32/586,096.93 = 134,553.14/x
  3. Step 3: Cross multiply
    390,723.32x = 586,096.93 × 134,553.14
  4. Step 4: Simplify right side
    390,723.32x = 78,861,182,275.86
  5. Step 5: Solve for x
    x = 78,861,182,275.86/390,723.32
  6. Step 6: Final answer
    x = 201,833.83

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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.