Home / 127,115.26-175,414.89-70,530.82

Finding the Fourth Proportional to 127,115.26, 175,414.89 and 70,530.82

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Solution

The fourth proportional to 127,115.26, 175,414.89 and 70,530.82 is: 97,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.26 : 175,414.89 = 70,530.82 : x
  2. Step 2: Convert to fraction form
    127,115.26/175,414.89 = 70,530.82/x
  3. Step 3: Cross multiply
    127,115.26x = 175,414.89 × 70,530.82
  4. Step 4: Simplify right side
    127,115.26x = 12,372,156,031.91
  5. Step 5: Solve for x
    x = 12,372,156,031.91/127,115.26
  6. Step 6: Final answer
    x = 97,330.22

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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.