Home / 100,328.15-150,479.91-58,231.13

Finding the Fourth Proportional to 100,328.15, 150,479.91 and 58,231.13

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Solution

The fourth proportional to 100,328.15, 150,479.91 and 58,231.13 is: 87,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,328.15 : 150,479.91 = 58,231.13 : x
  2. Step 2: Convert to fraction form
    100,328.15/150,479.91 = 58,231.13/x
  3. Step 3: Cross multiply
    100,328.15x = 150,479.91 × 58,231.13
  4. Step 4: Simplify right side
    100,328.15x = 8,762,614,449.20
  5. Step 5: Solve for x
    x = 8,762,614,449.20/100,328.15
  6. Step 6: Final answer
    x = 87,339.54

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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.