Home / 262,079.20-392,924.40-112,196.80

Finding the Fourth Proportional to 262,079.20, 392,924.40 and 112,196.80

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Solution

The fourth proportional to 262,079.20, 392,924.40 and 112,196.80 is: 168,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,079.20 : 392,924.40 = 112,196.80 : x
  2. Step 2: Convert to fraction form
    262,079.20/392,924.40 = 112,196.80/x
  3. Step 3: Cross multiply
    262,079.20x = 392,924.40 × 112,196.80
  4. Step 4: Simplify right side
    262,079.20x = 44,084,860,321.92
  5. Step 5: Solve for x
    x = 44,084,860,321.92/262,079.20
  6. Step 6: Final answer
    x = 168,211.98

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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.