Home / 121,725.52-182,588.22-45,838.36

Finding the Fourth Proportional to 121,725.52, 182,588.22 and 45,838.36

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Solution

The fourth proportional to 121,725.52, 182,588.22 and 45,838.36 is: 68,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,725.52 : 182,588.22 = 45,838.36 : x
  2. Step 2: Convert to fraction form
    121,725.52/182,588.22 = 45,838.36/x
  3. Step 3: Cross multiply
    121,725.52x = 182,588.22 × 45,838.36
  4. Step 4: Simplify right side
    121,725.52x = 8,369,544,560.12
  5. Step 5: Solve for x
    x = 8,369,544,560.12/121,725.52
  6. Step 6: Final answer
    x = 68,757.52

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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.