Home / 121,734.60-182,601.90-38,628.60

Finding the Fourth Proportional to 121,734.60, 182,601.90 and 38,628.60

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Solution

The fourth proportional to 121,734.60, 182,601.90 and 38,628.60 is: 57,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,734.60 : 182,601.90 = 38,628.60 : x
  2. Step 2: Convert to fraction form
    121,734.60/182,601.90 = 38,628.60/x
  3. Step 3: Cross multiply
    121,734.60x = 182,601.90 × 38,628.60
  4. Step 4: Simplify right side
    121,734.60x = 7,053,655,754.34
  5. Step 5: Solve for x
    x = 7,053,655,754.34/121,734.60
  6. Step 6: Final answer
    x = 57,942.90

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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.