Home / 261,976.83-392,636.66-112,041.11

Finding the Fourth Proportional to 261,976.83, 392,636.66 and 112,041.11

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Solution

The fourth proportional to 261,976.83, 392,636.66 and 112,041.11 is: 167,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,976.83 : 392,636.66 = 112,041.11 : x
  2. Step 2: Convert to fraction form
    261,976.83/392,636.66 = 112,041.11/x
  3. Step 3: Cross multiply
    261,976.83x = 392,636.66 × 112,041.11
  4. Step 4: Simplify right side
    261,976.83x = 43,991,444,689.70
  5. Step 5: Solve for x
    x = 43,991,444,689.70/261,976.83
  6. Step 6: Final answer
    x = 167,921.13

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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.