Home / 488,145.20-732,196.38-133,158.04

Finding the Fourth Proportional to 488,145.20, 732,196.38 and 133,158.04

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Solution

The fourth proportional to 488,145.20, 732,196.38 and 133,158.04 is: 199,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,145.20 : 732,196.38 = 133,158.04 : x
  2. Step 2: Convert to fraction form
    488,145.20/732,196.38 = 133,158.04/x
  3. Step 3: Cross multiply
    488,145.20x = 732,196.38 × 133,158.04
  4. Step 4: Simplify right side
    488,145.20x = 97,497,834,190.11
  5. Step 5: Solve for x
    x = 97,497,834,190.11/488,145.20
  6. Step 6: Final answer
    x = 199,731.22

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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.