Home / 127,927.53-176,539.59-71,338.89

Finding the Fourth Proportional to 127,927.53, 176,539.59 and 71,338.89

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Solution

The fourth proportional to 127,927.53, 176,539.59 and 71,338.89 is: 98,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,927.53 : 176,539.59 = 71,338.89 : x
  2. Step 2: Convert to fraction form
    127,927.53/176,539.59 = 71,338.89/x
  3. Step 3: Cross multiply
    127,927.53x = 176,539.59 × 71,338.89
  4. Step 4: Simplify right side
    127,927.53x = 12,594,138,391.66
  5. Step 5: Solve for x
    x = 12,594,138,391.66/127,927.53
  6. Step 6: Final answer
    x = 98,447.44

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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.