Home / 140,180.33-193,447.55-86,443.85

Finding the Fourth Proportional to 140,180.33, 193,447.55 and 86,443.85

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Solution

The fourth proportional to 140,180.33, 193,447.55 and 86,443.85 is: 119,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,180.33 : 193,447.55 = 86,443.85 : x
  2. Step 2: Convert to fraction form
    140,180.33/193,447.55 = 86,443.85/x
  3. Step 3: Cross multiply
    140,180.33x = 193,447.55 × 86,443.85
  4. Step 4: Simplify right side
    140,180.33x = 16,722,349,595.61
  5. Step 5: Solve for x
    x = 16,722,349,595.61/140,180.33
  6. Step 6: Final answer
    x = 119,291.70

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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.