Home / 127,633.12-176,126.88-73,913.92

Finding the Fourth Proportional to 127,633.12, 176,126.88 and 73,913.92

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Solution

The fourth proportional to 127,633.12, 176,126.88 and 73,913.92 is: 101,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,633.12 : 176,126.88 = 73,913.92 : x
  2. Step 2: Convert to fraction form
    127,633.12/176,126.88 = 73,913.92/x
  3. Step 3: Cross multiply
    127,633.12x = 176,126.88 × 73,913.92
  4. Step 4: Simplify right side
    127,633.12x = 13,018,228,118.17
  5. Step 5: Solve for x
    x = 13,018,228,118.17/127,633.12
  6. Step 6: Final answer
    x = 101,997.26

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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.