Home / 384,084.20-576,188.64-144,217.01

Finding the Fourth Proportional to 384,084.20, 576,188.64 and 144,217.01

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Solution

The fourth proportional to 384,084.20, 576,188.64 and 144,217.01 is: 216,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,084.20 : 576,188.64 = 144,217.01 : x
  2. Step 2: Convert to fraction form
    384,084.20/576,188.64 = 144,217.01/x
  3. Step 3: Cross multiply
    384,084.20x = 576,188.64 × 144,217.01
  4. Step 4: Simplify right side
    384,084.20x = 83,096,199,975.82
  5. Step 5: Solve for x
    x = 83,096,199,975.82/384,084.20
  6. Step 6: Final answer
    x = 216,348.92

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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.