Home / 105,760.40-158,632.36-39,169.20

Finding the Fourth Proportional to 105,760.40, 158,632.36 and 39,169.20

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Solution

The fourth proportional to 105,760.40, 158,632.36 and 39,169.20 is: 58,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,760.40 : 158,632.36 = 39,169.20 : x
  2. Step 2: Convert to fraction form
    105,760.40/158,632.36 = 39,169.20/x
  3. Step 3: Cross multiply
    105,760.40x = 158,632.36 × 39,169.20
  4. Step 4: Simplify right side
    105,760.40x = 6,213,502,635.31
  5. Step 5: Solve for x
    x = 6,213,502,635.31/105,760.40
  6. Step 6: Final answer
    x = 58,750.75

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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.