Home / 127,726.88-176,250.48-71,143.52

Finding the Fourth Proportional to 127,726.88, 176,250.48 and 71,143.52

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Solution

The fourth proportional to 127,726.88, 176,250.48 and 71,143.52 is: 98,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.88 : 176,250.48 = 71,143.52 : x
  2. Step 2: Convert to fraction form
    127,726.88/176,250.48 = 71,143.52/x
  3. Step 3: Cross multiply
    127,726.88x = 176,250.48 × 71,143.52
  4. Step 4: Simplify right side
    127,726.88x = 12,539,079,548.89
  5. Step 5: Solve for x
    x = 12,539,079,548.89/127,726.88
  6. Step 6: Final answer
    x = 98,171.03

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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.