Home / 488,002.05-731,981.52-133,016.04

Finding the Fourth Proportional to 488,002.05, 731,981.52 and 133,016.04

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Solution

The fourth proportional to 488,002.05, 731,981.52 and 133,016.04 is: 199,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,002.05 : 731,981.52 = 133,016.04 : x
  2. Step 2: Convert to fraction form
    488,002.05/731,981.52 = 133,016.04/x
  3. Step 3: Cross multiply
    488,002.05x = 731,981.52 × 133,016.04
  4. Step 4: Simplify right side
    488,002.05x = 97,365,283,143.58
  5. Step 5: Solve for x
    x = 97,365,283,143.58/488,002.05
  6. Step 6: Final answer
    x = 199,518.18

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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.