Home / 261,964.83-392,618.64-112,029.12

Finding the Fourth Proportional to 261,964.83, 392,618.64 and 112,029.12

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Solution

The fourth proportional to 261,964.83, 392,618.64 and 112,029.12 is: 167,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,964.83 : 392,618.64 = 112,029.12 : x
  2. Step 2: Convert to fraction form
    261,964.83/392,618.64 = 112,029.12/x
  3. Step 3: Cross multiply
    261,964.83x = 392,618.64 × 112,029.12
  4. Step 4: Simplify right side
    261,964.83x = 43,984,720,734.80
  5. Step 5: Solve for x
    x = 43,984,720,734.80/261,964.83
  6. Step 6: Final answer
    x = 167,903.15

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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.