Home / 126,024.88-173,899.56-72,301.36

Finding the Fourth Proportional to 126,024.88, 173,899.56 and 72,301.36

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Solution

The fourth proportional to 126,024.88, 173,899.56 and 72,301.36 is: 99,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024.88 : 173,899.56 = 72,301.36 : x
  2. Step 2: Convert to fraction form
    126,024.88/173,899.56 = 72,301.36/x
  3. Step 3: Cross multiply
    126,024.88x = 173,899.56 × 72,301.36
  4. Step 4: Simplify right side
    126,024.88x = 12,573,174,691.40
  5. Step 5: Solve for x
    x = 12,573,174,691.40/126,024.88
  6. Step 6: Final answer
    x = 99,767.40

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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.