Home / 318,632.14-477,902.09-93,981.48

Finding the Fourth Proportional to 318,632.14, 477,902.09 and 93,981.48

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Solution

The fourth proportional to 318,632.14, 477,902.09 and 93,981.48 is: 140,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,632.14 : 477,902.09 = 93,981.48 : x
  2. Step 2: Convert to fraction form
    318,632.14/477,902.09 = 93,981.48/x
  3. Step 3: Cross multiply
    318,632.14x = 477,902.09 × 93,981.48
  4. Step 4: Simplify right side
    318,632.14x = 44,913,944,156.11
  5. Step 5: Solve for x
    x = 44,913,944,156.11/318,632.14
  6. Step 6: Final answer
    x = 140,958.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.