Home / 105,964.32-146,234.25-58,221.12

Finding the Fourth Proportional to 105,964.32, 146,234.25 and 58,221.12

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Solution

The fourth proportional to 105,964.32, 146,234.25 and 58,221.12 is: 80,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,964.32 : 146,234.25 = 58,221.12 : x
  2. Step 2: Convert to fraction form
    105,964.32/146,234.25 = 58,221.12/x
  3. Step 3: Cross multiply
    105,964.32x = 146,234.25 × 58,221.12
  4. Step 4: Simplify right side
    105,964.32x = 8,513,921,817.36
  5. Step 5: Solve for x
    x = 8,513,921,817.36/105,964.32
  6. Step 6: Final answer
    x = 80,347.06

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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.