Home / 318,566.52-477,853.56-108,220.86

Finding the Fourth Proportional to 318,566.52, 477,853.56 and 108,220.86

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Solution

The fourth proportional to 318,566.52, 477,853.56 and 108,220.86 is: 162,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,566.52 : 477,853.56 = 108,220.86 : x
  2. Step 2: Convert to fraction form
    318,566.52/477,853.56 = 108,220.86/x
  3. Step 3: Cross multiply
    318,566.52x = 477,853.56 × 108,220.86
  4. Step 4: Simplify right side
    318,566.52x = 51,713,723,217.26
  5. Step 5: Solve for x
    x = 51,713,723,217.26/318,566.52
  6. Step 6: Final answer
    x = 162,332.57

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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.