Home / 154,098.08-231,148.08-47,480.72

Finding the Fourth Proportional to 154,098.08, 231,148.08 and 47,480.72

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Solution

The fourth proportional to 154,098.08, 231,148.08 and 47,480.72 is: 71,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,098.08 : 231,148.08 = 47,480.72 : x
  2. Step 2: Convert to fraction form
    154,098.08/231,148.08 = 47,480.72/x
  3. Step 3: Cross multiply
    154,098.08x = 231,148.08 × 47,480.72
  4. Step 4: Simplify right side
    154,098.08x = 10,975,077,265.02
  5. Step 5: Solve for x
    x = 10,975,077,265.02/154,098.08
  6. Step 6: Final answer
    x = 71,221.38

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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.