Home / 175,037.60-262,556.40-161,520.80

Finding the Fourth Proportional to 175,037.60, 262,556.40 and 161,520.80

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Solution

The fourth proportional to 175,037.60, 262,556.40 and 161,520.80 is: 242,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,037.60 : 262,556.40 = 161,520.80 : x
  2. Step 2: Convert to fraction form
    175,037.60/262,556.40 = 161,520.80/x
  3. Step 3: Cross multiply
    175,037.60x = 262,556.40 × 161,520.80
  4. Step 4: Simplify right side
    175,037.60x = 42,408,319,773.12
  5. Step 5: Solve for x
    x = 42,408,319,773.12/175,037.60
  6. Step 6: Final answer
    x = 242,281.20

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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.