Home / 126,000.82-173,881.56-69,412.06

Finding the Fourth Proportional to 126,000.82, 173,881.56 and 69,412.06

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Solution

The fourth proportional to 126,000.82, 173,881.56 and 69,412.06 is: 95,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,000.82 : 173,881.56 = 69,412.06 : x
  2. Step 2: Convert to fraction form
    126,000.82/173,881.56 = 69,412.06/x
  3. Step 3: Cross multiply
    126,000.82x = 173,881.56 × 69,412.06
  4. Step 4: Simplify right side
    126,000.82x = 12,069,477,275.61
  5. Step 5: Solve for x
    x = 12,069,477,275.61/126,000.82
  6. Step 6: Final answer
    x = 95,788.88

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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.