Home / 318,982.14-478,566.78-94,348.50

Finding the Fourth Proportional to 318,982.14, 478,566.78 and 94,348.50

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Solution

The fourth proportional to 318,982.14, 478,566.78 and 94,348.50 is: 141,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,982.14 : 478,566.78 = 94,348.50 : x
  2. Step 2: Convert to fraction form
    318,982.14/478,566.78 = 94,348.50/x
  3. Step 3: Cross multiply
    318,982.14x = 478,566.78 × 94,348.50
  4. Step 4: Simplify right side
    318,982.14x = 45,152,057,842.83
  5. Step 5: Solve for x
    x = 45,152,057,842.83/318,982.14
  6. Step 6: Final answer
    x = 141,550.43

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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.