Home / 126,294.30-174,287.58-69,705.72

Finding the Fourth Proportional to 126,294.30, 174,287.58 and 69,705.72

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Solution

The fourth proportional to 126,294.30, 174,287.58 and 69,705.72 is: 96,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,294.30 : 174,287.58 = 69,705.72 : x
  2. Step 2: Convert to fraction form
    126,294.30/174,287.58 = 69,705.72/x
  3. Step 3: Cross multiply
    126,294.30x = 174,287.58 × 69,705.72
  4. Step 4: Simplify right side
    126,294.30x = 12,148,841,250.96
  5. Step 5: Solve for x
    x = 12,148,841,250.96/126,294.30
  6. Step 6: Final answer
    x = 96,194.69

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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.