Home / 159,425.88-239,178.12-47,105.52

Finding the Fourth Proportional to 159,425.88, 239,178.12 and 47,105.52

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Solution

The fourth proportional to 159,425.88, 239,178.12 and 47,105.52 is: 70,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,425.88 : 239,178.12 = 47,105.52 : x
  2. Step 2: Convert to fraction form
    159,425.88/239,178.12 = 47,105.52/x
  3. Step 3: Cross multiply
    159,425.88x = 239,178.12 × 47,105.52
  4. Step 4: Simplify right side
    159,425.88x = 11,266,609,715.22
  5. Step 5: Solve for x
    x = 11,266,609,715.22/159,425.88
  6. Step 6: Final answer
    x = 70,669.89

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1.5x scale

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.