Home / 127,285.82-175,634.90-73,560.45

Finding the Fourth Proportional to 127,285.82, 175,634.90 and 73,560.45

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Solution

The fourth proportional to 127,285.82, 175,634.90 and 73,560.45 is: 101,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,285.82 : 175,634.90 = 73,560.45 : x
  2. Step 2: Convert to fraction form
    127,285.82/175,634.90 = 73,560.45/x
  3. Step 3: Cross multiply
    127,285.82x = 175,634.90 × 73,560.45
  4. Step 4: Simplify right side
    127,285.82x = 12,919,781,911.90
  5. Step 5: Solve for x
    x = 12,919,781,911.90/127,285.82
  6. Step 6: Final answer
    x = 101,502.13

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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.