Home / 355,217.83-532,862.63-115,321.70

Finding the Fourth Proportional to 355,217.83, 532,862.63 and 115,321.70

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Solution

The fourth proportional to 355,217.83, 532,862.63 and 115,321.70 is: 172,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,217.83 : 532,862.63 = 115,321.70 : x
  2. Step 2: Convert to fraction form
    355,217.83/532,862.63 = 115,321.70/x
  3. Step 3: Cross multiply
    355,217.83x = 532,862.63 × 115,321.70
  4. Step 4: Simplify right side
    355,217.83x = 61,450,623,723.06
  5. Step 5: Solve for x
    x = 61,450,623,723.06/355,217.83
  6. Step 6: Final answer
    x = 172,994.20

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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.