Home / 318,748.14-478,209.53-94,108.50

Finding the Fourth Proportional to 318,748.14, 478,209.53 and 94,108.50

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Solution

The fourth proportional to 318,748.14, 478,209.53 and 94,108.50 is: 141,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,748.14 : 478,209.53 = 94,108.50 : x
  2. Step 2: Convert to fraction form
    318,748.14/478,209.53 = 94,108.50/x
  3. Step 3: Cross multiply
    318,748.14x = 478,209.53 × 94,108.50
  4. Step 4: Simplify right side
    318,748.14x = 45,003,581,083.46
  5. Step 5: Solve for x
    x = 45,003,581,083.46/318,748.14
  6. Step 6: Final answer
    x = 141,188.53

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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.