Home / 124,060.38-171,206.94-76,341.66

Finding the Fourth Proportional to 124,060.38, 171,206.94 and 76,341.66

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Solution

The fourth proportional to 124,060.38, 171,206.94 and 76,341.66 is: 105,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,060.38 : 171,206.94 = 76,341.66 : x
  2. Step 2: Convert to fraction form
    124,060.38/171,206.94 = 76,341.66/x
  3. Step 3: Cross multiply
    124,060.38x = 171,206.94 × 76,341.66
  4. Step 4: Simplify right side
    124,060.38x = 13,070,222,003.12
  5. Step 5: Solve for x
    x = 13,070,222,003.12/124,060.38
  6. Step 6: Final answer
    x = 105,353.72

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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.