Home / 117,532.24-176,429.88-78,166.48

Finding the Fourth Proportional to 117,532.24, 176,429.88 and 78,166.48

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Solution

The fourth proportional to 117,532.24, 176,429.88 and 78,166.48 is: 117,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,532.24 : 176,429.88 = 78,166.48 : x
  2. Step 2: Convert to fraction form
    117,532.24/176,429.88 = 78,166.48/x
  3. Step 3: Cross multiply
    117,532.24x = 176,429.88 × 78,166.48
  4. Step 4: Simplify right side
    117,532.24x = 13,790,902,686.42
  5. Step 5: Solve for x
    x = 13,790,902,686.42/117,532.24
  6. Step 6: Final answer
    x = 117,337.19

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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.