Home / 109,160.20-150,630.35-61,412.52

Finding the Fourth Proportional to 109,160.20, 150,630.35 and 61,412.52

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Solution

The fourth proportional to 109,160.20, 150,630.35 and 61,412.52 is: 84,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,160.20 : 150,630.35 = 61,412.52 : x
  2. Step 2: Convert to fraction form
    109,160.20/150,630.35 = 61,412.52/x
  3. Step 3: Cross multiply
    109,160.20x = 150,630.35 × 61,412.52
  4. Step 4: Simplify right side
    109,160.20x = 9,250,589,381.98
  5. Step 5: Solve for x
    x = 9,250,589,381.98/109,160.20
  6. Step 6: Final answer
    x = 84,743.24

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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.