Home / 140,487.40-193,871.46-83,166.04

Finding the Fourth Proportional to 140,487.40, 193,871.46 and 83,166.04

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Solution

The fourth proportional to 140,487.40, 193,871.46 and 83,166.04 is: 114,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,487.40 : 193,871.46 = 83,166.04 : x
  2. Step 2: Convert to fraction form
    140,487.40/193,871.46 = 83,166.04/x
  3. Step 3: Cross multiply
    140,487.40x = 193,871.46 × 83,166.04
  4. Step 4: Simplify right side
    140,487.40x = 16,123,521,597.22
  5. Step 5: Solve for x
    x = 16,123,521,597.22/140,487.40
  6. Step 6: Final answer
    x = 114,768.45

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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.