Home / 144,618.16-199,432.86-112,775.44

Finding the Fourth Proportional to 144,618.16, 199,432.86 and 112,775.44

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Solution

The fourth proportional to 144,618.16, 199,432.86 and 112,775.44 is: 155,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,618.16 : 199,432.86 = 112,775.44 : x
  2. Step 2: Convert to fraction form
    144,618.16/199,432.86 = 112,775.44/x
  3. Step 3: Cross multiply
    144,618.16x = 199,432.86 × 112,775.44
  4. Step 4: Simplify right side
    144,618.16x = 22,491,128,536.96
  5. Step 5: Solve for x
    x = 22,491,128,536.96/144,618.16
  6. Step 6: Final answer
    x = 155,520.78

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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.