Home / 159,487.32-239,277.76-47,170.49

Finding the Fourth Proportional to 159,487.32, 239,277.76 and 47,170.49

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Solution

The fourth proportional to 159,487.32, 239,277.76 and 47,170.49 is: 70,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,487.32 : 239,277.76 = 47,170.49 : x
  2. Step 2: Convert to fraction form
    159,487.32/239,277.76 = 47,170.49/x
  3. Step 3: Cross multiply
    159,487.32x = 239,277.76 × 47,170.49
  4. Step 4: Simplify right side
    159,487.32x = 11,286,849,665.57
  5. Step 5: Solve for x
    x = 11,286,849,665.57/159,487.32
  6. Step 6: Final answer
    x = 70,769.57

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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.