Home / 127,733.34-176,272.06-74,049.48

Finding the Fourth Proportional to 127,733.34, 176,272.06 and 74,049.48

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Solution

The fourth proportional to 127,733.34, 176,272.06 and 74,049.48 is: 102,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.34 : 176,272.06 = 74,049.48 : x
  2. Step 2: Convert to fraction form
    127,733.34/176,272.06 = 74,049.48/x
  3. Step 3: Cross multiply
    127,733.34x = 176,272.06 × 74,049.48
  4. Step 4: Simplify right side
    127,733.34x = 13,052,854,381.53
  5. Step 5: Solve for x
    x = 13,052,854,381.53/127,733.34
  6. Step 6: Final answer
    x = 102,188.31

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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.