Home / 149,149.68-205,827.44-81,167.19

Finding the Fourth Proportional to 149,149.68, 205,827.44 and 81,167.19

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Solution

The fourth proportional to 149,149.68, 205,827.44 and 81,167.19 is: 112,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,149.68 : 205,827.44 = 81,167.19 : x
  2. Step 2: Convert to fraction form
    149,149.68/205,827.44 = 81,167.19/x
  3. Step 3: Cross multiply
    149,149.68x = 205,827.44 × 81,167.19
  4. Step 4: Simplify right side
    149,149.68x = 16,706,434,523.86
  5. Step 5: Solve for x
    x = 16,706,434,523.86/149,149.68
  6. Step 6: Final answer
    x = 112,011.20

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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.