Home / 140,555.18-193,966.38-83,240.73

Finding the Fourth Proportional to 140,555.18, 193,966.38 and 83,240.73

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Solution

The fourth proportional to 140,555.18, 193,966.38 and 83,240.73 is: 114,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555.18 : 193,966.38 = 83,240.73 : x
  2. Step 2: Convert to fraction form
    140,555.18/193,966.38 = 83,240.73/x
  3. Step 3: Cross multiply
    140,555.18x = 193,966.38 × 83,240.73
  4. Step 4: Simplify right side
    140,555.18x = 16,145,903,343.47
  5. Step 5: Solve for x
    x = 16,145,903,343.47/140,555.18
  6. Step 6: Final answer
    x = 114,872.35

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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.