Home / 127,360.24-175,704.52-77,066.80

Finding the Fourth Proportional to 127,360.24, 175,704.52 and 77,066.80

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Solution

The fourth proportional to 127,360.24, 175,704.52 and 77,066.80 is: 106,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,360.24 : 175,704.52 = 77,066.80 : x
  2. Step 2: Convert to fraction form
    127,360.24/175,704.52 = 77,066.80/x
  3. Step 3: Cross multiply
    127,360.24x = 175,704.52 × 77,066.80
  4. Step 4: Simplify right side
    127,360.24x = 13,540,985,101.94
  5. Step 5: Solve for x
    x = 13,540,985,101.94/127,360.24
  6. Step 6: Final answer
    x = 106,320.35

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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.