Home / 122,575.96-169,162.05-92,307.88

Finding the Fourth Proportional to 122,575.96, 169,162.05 and 92,307.88

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Solution

The fourth proportional to 122,575.96, 169,162.05 and 92,307.88 is: 127,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,575.96 : 169,162.05 = 92,307.88 : x
  2. Step 2: Convert to fraction form
    122,575.96/169,162.05 = 92,307.88/x
  3. Step 3: Cross multiply
    122,575.96x = 169,162.05 × 92,307.88
  4. Step 4: Simplify right side
    122,575.96x = 15,614,990,211.95
  5. Step 5: Solve for x
    x = 15,614,990,211.95/122,575.96
  6. Step 6: Final answer
    x = 127,390.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.