Home / 127,422.55-175,583.80-98,566.91

Finding the Fourth Proportional to 127,422.55, 175,583.80 and 98,566.91

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Solution

The fourth proportional to 127,422.55, 175,583.80 and 98,566.91 is: 135,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,422.55 : 175,583.80 = 98,566.91 : x
  2. Step 2: Convert to fraction form
    127,422.55/175,583.80 = 98,566.91/x
  3. Step 3: Cross multiply
    127,422.55x = 175,583.80 × 98,566.91
  4. Step 4: Simplify right side
    127,422.55x = 17,306,752,515.79
  5. Step 5: Solve for x
    x = 17,306,752,515.79/127,422.55
  6. Step 6: Final answer
    x = 135,821.74

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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.