Home / 262,051.20-392,882.40-112,168.80

Finding the Fourth Proportional to 262,051.20, 392,882.40 and 112,168.80

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Solution

The fourth proportional to 262,051.20, 392,882.40 and 112,168.80 is: 168,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,051.20 : 392,882.40 = 112,168.80 : x
  2. Step 2: Convert to fraction form
    262,051.20/392,882.40 = 112,168.80/x
  3. Step 3: Cross multiply
    262,051.20x = 392,882.40 × 112,168.80
  4. Step 4: Simplify right side
    262,051.20x = 44,069,147,349.12
  5. Step 5: Solve for x
    x = 44,069,147,349.12/262,051.20
  6. Step 6: Final answer
    x = 168,169.99

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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.