Home / 117,512.16-176,207.76-47,372.64

Finding the Fourth Proportional to 117,512.16, 176,207.76 and 47,372.64

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Solution

The fourth proportional to 117,512.16, 176,207.76 and 47,372.64 is: 71,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512.16 : 176,207.76 = 47,372.64 : x
  2. Step 2: Convert to fraction form
    117,512.16/176,207.76 = 47,372.64/x
  3. Step 3: Cross multiply
    117,512.16x = 176,207.76 × 47,372.64
  4. Step 4: Simplify right side
    117,512.16x = 8,347,426,779.69
  5. Step 5: Solve for x
    x = 8,347,426,779.69/117,512.16
  6. Step 6: Final answer
    x = 71,034.58

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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.