Home / 127,706.06-176,234.60-74,001.44

Finding the Fourth Proportional to 127,706.06, 176,234.60 and 74,001.44

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Solution

The fourth proportional to 127,706.06, 176,234.60 and 74,001.44 is: 102,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,706.06 : 176,234.60 = 74,001.44 : x
  2. Step 2: Convert to fraction form
    127,706.06/176,234.60 = 74,001.44/x
  3. Step 3: Cross multiply
    127,706.06x = 176,234.60 × 74,001.44
  4. Step 4: Simplify right side
    127,706.06x = 13,041,614,177.82
  5. Step 5: Solve for x
    x = 13,041,614,177.82/127,706.06
  6. Step 6: Final answer
    x = 102,122.12

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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.