Home / 127,029.41-175,287.95-73,331.72

Finding the Fourth Proportional to 127,029.41, 175,287.95 and 73,331.72

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Solution

The fourth proportional to 127,029.41, 175,287.95 and 73,331.72 is: 101,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,029.41 : 175,287.95 = 73,331.72 : x
  2. Step 2: Convert to fraction form
    127,029.41/175,287.95 = 73,331.72/x
  3. Step 3: Cross multiply
    127,029.41x = 175,287.95 × 73,331.72
  4. Step 4: Simplify right side
    127,029.41x = 12,854,165,625.68
  5. Step 5: Solve for x
    x = 12,854,165,625.68/127,029.41
  6. Step 6: Final answer
    x = 101,190.47

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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.