Home / 144,445.38-199,340.57-79,913.59

Finding the Fourth Proportional to 144,445.38, 199,340.57 and 79,913.59

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Solution

The fourth proportional to 144,445.38, 199,340.57 and 79,913.59 is: 110,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,445.38 : 199,340.57 = 79,913.59 : x
  2. Step 2: Convert to fraction form
    144,445.38/199,340.57 = 79,913.59/x
  3. Step 3: Cross multiply
    144,445.38x = 199,340.57 × 79,913.59
  4. Step 4: Simplify right side
    144,445.38x = 15,930,020,058.02
  5. Step 5: Solve for x
    x = 15,930,020,058.02/144,445.38
  6. Step 6: Final answer
    x = 110,284.04

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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.