Home / 124,058.38-171,204.15-76,339.66

Finding the Fourth Proportional to 124,058.38, 171,204.15 and 76,339.66

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Solution

The fourth proportional to 124,058.38, 171,204.15 and 76,339.66 is: 105,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,058.38 : 171,204.15 = 76,339.66 : x
  2. Step 2: Convert to fraction form
    124,058.38/171,204.15 = 76,339.66/x
  3. Step 3: Cross multiply
    124,058.38x = 171,204.15 × 76,339.66
  4. Step 4: Simplify right side
    124,058.38x = 13,069,666,601.59
  5. Step 5: Solve for x
    x = 13,069,666,601.59/124,058.38
  6. Step 6: Final answer
    x = 105,350.94

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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.