Home / 140,522.95-193,923.20-76,859.38

Finding the Fourth Proportional to 140,522.95, 193,923.20 and 76,859.38

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Solution

The fourth proportional to 140,522.95, 193,923.20 and 76,859.38 is: 106,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,522.95 : 193,923.20 = 76,859.38 : x
  2. Step 2: Convert to fraction form
    140,522.95/193,923.20 = 76,859.38/x
  3. Step 3: Cross multiply
    140,522.95x = 193,923.20 × 76,859.38
  4. Step 4: Simplify right side
    140,522.95x = 14,904,815,565.70
  5. Step 5: Solve for x
    x = 14,904,815,565.70/140,522.95
  6. Step 6: Final answer
    x = 106,066.77

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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.