Home / 127,707.52-176,052.26-89,348.23

Finding the Fourth Proportional to 127,707.52, 176,052.26 and 89,348.23

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Solution

The fourth proportional to 127,707.52, 176,052.26 and 89,348.23 is: 123,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.52 : 176,052.26 = 89,348.23 : x
  2. Step 2: Convert to fraction form
    127,707.52/176,052.26 = 89,348.23/x
  3. Step 3: Cross multiply
    127,707.52x = 176,052.26 × 89,348.23
  4. Step 4: Simplify right side
    127,707.52x = 15,729,957,818.50
  5. Step 5: Solve for x
    x = 15,729,957,818.50/127,707.52
  6. Step 6: Final answer
    x = 123,171.74

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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.