Home / 105,439.17-158,057.16-38,842.92

Finding the Fourth Proportional to 105,439.17, 158,057.16 and 38,842.92

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Solution

The fourth proportional to 105,439.17, 158,057.16 and 38,842.92 is: 58,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,439.17 : 158,057.16 = 38,842.92 : x
  2. Step 2: Convert to fraction form
    105,439.17/158,057.16 = 38,842.92/x
  3. Step 3: Cross multiply
    105,439.17x = 158,057.16 × 38,842.92
  4. Step 4: Simplify right side
    105,439.17x = 6,139,401,621.31
  5. Step 5: Solve for x
    x = 6,139,401,621.31/105,439.17
  6. Step 6: Final answer
    x = 58,226.95

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1.5x scale

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.