Home / 154,602.92-231,937.49-47,984.65

Finding the Fourth Proportional to 154,602.92, 231,937.49 and 47,984.65

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Solution

The fourth proportional to 154,602.92, 231,937.49 and 47,984.65 is: 71,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,602.92 : 231,937.49 = 47,984.65 : x
  2. Step 2: Convert to fraction form
    154,602.92/231,937.49 = 47,984.65/x
  3. Step 3: Cross multiply
    154,602.92x = 231,937.49 × 47,984.65
  4. Step 4: Simplify right side
    154,602.92x = 11,129,438,459.76
  5. Step 5: Solve for x
    x = 11,129,438,459.76/154,602.92
  6. Step 6: Final answer
    x = 71,987.25

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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.