Home / 105,937.75-146,194.10-58,191.90

Finding the Fourth Proportional to 105,937.75, 146,194.10 and 58,191.90

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Solution

The fourth proportional to 105,937.75, 146,194.10 and 58,191.90 is: 80,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,937.75 : 146,194.10 = 58,191.90 : x
  2. Step 2: Convert to fraction form
    105,937.75/146,194.10 = 58,191.90/x
  3. Step 3: Cross multiply
    105,937.75x = 146,194.10 × 58,191.90
  4. Step 4: Simplify right side
    105,937.75x = 8,507,312,447.79
  5. Step 5: Solve for x
    x = 8,507,312,447.79/105,937.75
  6. Step 6: Final answer
    x = 80,304.82

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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.