Home / 122,841.83-169,519.74-69,126.82

Finding the Fourth Proportional to 122,841.83, 169,519.74 and 69,126.82

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Solution

The fourth proportional to 122,841.83, 169,519.74 and 69,126.82 is: 95,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,841.83 : 169,519.74 = 69,126.82 : x
  2. Step 2: Convert to fraction form
    122,841.83/169,519.74 = 69,126.82/x
  3. Step 3: Cross multiply
    122,841.83x = 169,519.74 × 69,126.82
  4. Step 4: Simplify right side
    122,841.83x = 11,718,360,553.43
  5. Step 5: Solve for x
    x = 11,718,360,553.43/122,841.83
  6. Step 6: Final answer
    x = 95,393.89

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1.5x scale

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.