Home / 127,353.35-175,693.11-79,523.66

Finding the Fourth Proportional to 127,353.35, 175,693.11 and 79,523.66

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Solution

The fourth proportional to 127,353.35, 175,693.11 and 79,523.66 is: 109,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,353.35 : 175,693.11 = 79,523.66 : x
  2. Step 2: Convert to fraction form
    127,353.35/175,693.11 = 79,523.66/x
  3. Step 3: Cross multiply
    127,353.35x = 175,693.11 × 79,523.66
  4. Step 4: Simplify right side
    127,353.35x = 13,971,759,143.98
  5. Step 5: Solve for x
    x = 13,971,759,143.98/127,353.35
  6. Step 6: Final answer
    x = 109,708.61

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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.