Home / 140,306.18-193,626.32-83,750.36

Finding the Fourth Proportional to 140,306.18, 193,626.32 and 83,750.36

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Solution

The fourth proportional to 140,306.18, 193,626.32 and 83,750.36 is: 115,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,306.18 : 193,626.32 = 83,750.36 : x
  2. Step 2: Convert to fraction form
    140,306.18/193,626.32 = 83,750.36/x
  3. Step 3: Cross multiply
    140,306.18x = 193,626.32 × 83,750.36
  4. Step 4: Simplify right side
    140,306.18x = 16,216,274,005.48
  5. Step 5: Solve for x
    x = 16,216,274,005.48/140,306.18
  6. Step 6: Final answer
    x = 115,577.76

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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.