Home / 127,275.87-175,630.41-73,564.36

Finding the Fourth Proportional to 127,275.87, 175,630.41 and 73,564.36

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Solution

The fourth proportional to 127,275.87, 175,630.41 and 73,564.36 is: 101,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275.87 : 175,630.41 = 73,564.36 : x
  2. Step 2: Convert to fraction form
    127,275.87/175,630.41 = 73,564.36/x
  3. Step 3: Cross multiply
    127,275.87x = 175,630.41 × 73,564.36
  4. Step 4: Simplify right side
    127,275.87x = 12,920,138,708.19
  5. Step 5: Solve for x
    x = 12,920,138,708.19/127,275.87
  6. Step 6: Final answer
    x = 101,512.87

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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.