Home / 127,031.91-175,318.47-73,331.34

Finding the Fourth Proportional to 127,031.91, 175,318.47 and 73,331.34

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Solution

The fourth proportional to 127,031.91, 175,318.47 and 73,331.34 is: 101,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,031.91 : 175,318.47 = 73,331.34 : x
  2. Step 2: Convert to fraction form
    127,031.91/175,318.47 = 73,331.34/x
  3. Step 3: Cross multiply
    127,031.91x = 175,318.47 × 73,331.34
  4. Step 4: Simplify right side
    127,031.91x = 12,856,338,331.85
  5. Step 5: Solve for x
    x = 12,856,338,331.85/127,031.91
  6. Step 6: Final answer
    x = 101,205.58

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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.