Home / 127,937.15-191,823.61-53,108.95

Finding the Fourth Proportional to 127,937.15, 191,823.61 and 53,108.95

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Solution

The fourth proportional to 127,937.15, 191,823.61 and 53,108.95 is: 79,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,937.15 : 191,823.61 = 53,108.95 : x
  2. Step 2: Convert to fraction form
    127,937.15/191,823.61 = 53,108.95/x
  3. Step 3: Cross multiply
    127,937.15x = 191,823.61 × 53,108.95
  4. Step 4: Simplify right side
    127,937.15x = 10,187,549,553.19
  5. Step 5: Solve for x
    x = 10,187,549,553.19/127,937.15
  6. Step 6: Final answer
    x = 79,629.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.