Home / 355,621.60-532,687.20-166,243.60

Finding the Fourth Proportional to 355,621.60, 532,687.20 and 166,243.60

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Solution

The fourth proportional to 355,621.60, 532,687.20 and 166,243.60 is: 249,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,621.60 : 532,687.20 = 166,243.60 : x
  2. Step 2: Convert to fraction form
    355,621.60/532,687.20 = 166,243.60/x
  3. Step 3: Cross multiply
    355,621.60x = 532,687.20 × 166,243.60
  4. Step 4: Simplify right side
    355,621.60x = 88,555,837,801.92
  5. Step 5: Solve for x
    x = 88,555,837,801.92/355,621.60
  6. Step 6: Final answer
    x = 249,017.04

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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.