Home / 127,655.87-176,105.97-82,348.45

Finding the Fourth Proportional to 127,655.87, 176,105.97 and 82,348.45

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Solution

The fourth proportional to 127,655.87, 176,105.97 and 82,348.45 is: 113,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,655.87 : 176,105.97 = 82,348.45 : x
  2. Step 2: Convert to fraction form
    127,655.87/176,105.97 = 82,348.45/x
  3. Step 3: Cross multiply
    127,655.87x = 176,105.97 × 82,348.45
  4. Step 4: Simplify right side
    127,655.87x = 14,502,053,224.98
  5. Step 5: Solve for x
    x = 14,502,053,224.98/127,655.87
  6. Step 6: Final answer
    x = 113,602.72

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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.