Home / 159,487.57-239,278.13-47,170.74

Finding the Fourth Proportional to 159,487.57, 239,278.13 and 47,170.74

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Solution

The fourth proportional to 159,487.57, 239,278.13 and 47,170.74 is: 70,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,487.57 : 239,278.13 = 47,170.74 : x
  2. Step 2: Convert to fraction form
    159,487.57/239,278.13 = 47,170.74/x
  3. Step 3: Cross multiply
    159,487.57x = 239,278.13 × 47,170.74
  4. Step 4: Simplify right side
    159,487.57x = 11,286,926,457.92
  5. Step 5: Solve for x
    x = 11,286,926,457.92/159,487.57
  6. Step 6: Final answer
    x = 70,769.94

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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.