Home / 105,998.23-146,275.90-58,250.55

Finding the Fourth Proportional to 105,998.23, 146,275.90 and 58,250.55

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Solution

The fourth proportional to 105,998.23, 146,275.90 and 58,250.55 is: 80,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,998.23 : 146,275.90 = 58,250.55 : x
  2. Step 2: Convert to fraction form
    105,998.23/146,275.90 = 58,250.55/x
  3. Step 3: Cross multiply
    105,998.23x = 146,275.90 × 58,250.55
  4. Step 4: Simplify right side
    105,998.23x = 8,520,651,626.75
  5. Step 5: Solve for x
    x = 8,520,651,626.75/105,998.23
  6. Step 6: Final answer
    x = 80,384.85

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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.