Home / 121,969.20-182,953.80-62,785.20

Finding the Fourth Proportional to 121,969.20, 182,953.80 and 62,785.20

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Solution

The fourth proportional to 121,969.20, 182,953.80 and 62,785.20 is: 94,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,969.20 : 182,953.80 = 62,785.20 : x
  2. Step 2: Convert to fraction form
    121,969.20/182,953.80 = 62,785.20/x
  3. Step 3: Cross multiply
    121,969.20x = 182,953.80 × 62,785.20
  4. Step 4: Simplify right side
    121,969.20x = 11,486,790,923.76
  5. Step 5: Solve for x
    x = 11,486,790,923.76/121,969.20
  6. Step 6: Final answer
    x = 94,177.80

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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.