Home / 353,179.17-529,756.85-153,499.59

Finding the Fourth Proportional to 353,179.17, 529,756.85 and 153,499.59

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Solution

The fourth proportional to 353,179.17, 529,756.85 and 153,499.59 is: 230,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,179.17 : 529,756.85 = 153,499.59 : x
  2. Step 2: Convert to fraction form
    353,179.17/529,756.85 = 153,499.59/x
  3. Step 3: Cross multiply
    353,179.17x = 529,756.85 × 153,499.59
  4. Step 4: Simplify right side
    353,179.17x = 81,317,459,658.44
  5. Step 5: Solve for x
    x = 81,317,459,658.44/353,179.17
  6. Step 6: Final answer
    x = 230,244.21

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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.