Home / 175,320.20-262,980.30-156,657.80

Finding the Fourth Proportional to 175,320.20, 262,980.30 and 156,657.80

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Solution

The fourth proportional to 175,320.20, 262,980.30 and 156,657.80 is: 234,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,320.20 : 262,980.30 = 156,657.80 : x
  2. Step 2: Convert to fraction form
    175,320.20/262,980.30 = 156,657.80/x
  3. Step 3: Cross multiply
    175,320.20x = 262,980.30 × 156,657.80
  4. Step 4: Simplify right side
    175,320.20x = 41,197,915,241.34
  5. Step 5: Solve for x
    x = 41,197,915,241.34/175,320.20
  6. Step 6: Final answer
    x = 234,986.70

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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.