Home / 355,175.20-532,827.60-144,834.40

Finding the Fourth Proportional to 355,175.20, 532,827.60 and 144,834.40

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Solution

The fourth proportional to 355,175.20, 532,827.60 and 144,834.40 is: 217,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,175.20 : 532,827.60 = 144,834.40 : x
  2. Step 2: Convert to fraction form
    355,175.20/532,827.60 = 144,834.40/x
  3. Step 3: Cross multiply
    355,175.20x = 532,827.60 × 144,834.40
  4. Step 4: Simplify right side
    355,175.20x = 77,171,765,749.44
  5. Step 5: Solve for x
    x = 77,171,765,749.44/355,175.20
  6. Step 6: Final answer
    x = 217,278.02

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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.