Home / 318,134.79-477,187.07-93,486.15

Finding the Fourth Proportional to 318,134.79, 477,187.07 and 93,486.15

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Solution

The fourth proportional to 318,134.79, 477,187.07 and 93,486.15 is: 140,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,134.79 : 477,187.07 = 93,486.15 : x
  2. Step 2: Convert to fraction form
    318,134.79/477,187.07 = 93,486.15/x
  3. Step 3: Cross multiply
    318,134.79x = 477,187.07 × 93,486.15
  4. Step 4: Simplify right side
    318,134.79x = 44,610,381,536.65
  5. Step 5: Solve for x
    x = 44,610,381,536.65/318,134.79
  6. Step 6: Final answer
    x = 140,224.78

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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.