Home / 105,851.15-146,073.68-58,101.65

Finding the Fourth Proportional to 105,851.15, 146,073.68 and 58,101.65

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Solution

The fourth proportional to 105,851.15, 146,073.68 and 58,101.65 is: 80,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,851.15 : 146,073.68 = 58,101.65 : x
  2. Step 2: Convert to fraction form
    105,851.15/146,073.68 = 58,101.65/x
  3. Step 3: Cross multiply
    105,851.15x = 146,073.68 × 58,101.65
  4. Step 4: Simplify right side
    105,851.15x = 8,487,120,808.70
  5. Step 5: Solve for x
    x = 8,487,120,808.70/105,851.15
  6. Step 6: Final answer
    x = 80,179.77

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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.