Home / 117,686.52-160,234.69-117,312.85

Finding the Fourth Proportional to 117,686.52, 160,234.69 and 117,312.85

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Solution

The fourth proportional to 117,686.52, 160,234.69 and 117,312.85 is: 159,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686.52 : 160,234.69 = 117,312.85 : x
  2. Step 2: Convert to fraction form
    117,686.52/160,234.69 = 117,312.85/x
  3. Step 3: Cross multiply
    117,686.52x = 160,234.69 × 117,312.85
  4. Step 4: Simplify right side
    117,686.52x = 18,797,589,060.34
  5. Step 5: Solve for x
    x = 18,797,589,060.34/117,686.52
  6. Step 6: Final answer
    x = 159,725.93

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.