Home / 121,953.92-182,972.40-65,799.36

Finding the Fourth Proportional to 121,953.92, 182,972.40 and 65,799.36

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Solution

The fourth proportional to 121,953.92, 182,972.40 and 65,799.36 is: 98,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,953.92 : 182,972.40 = 65,799.36 : x
  2. Step 2: Convert to fraction form
    121,953.92/182,972.40 = 65,799.36/x
  3. Step 3: Cross multiply
    121,953.92x = 182,972.40 × 65,799.36
  4. Step 4: Simplify right side
    121,953.92x = 12,039,466,817.66
  5. Step 5: Solve for x
    x = 12,039,466,817.66/121,953.92
  6. Step 6: Final answer
    x = 98,721.44

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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.