Home / 261,966.33-392,620.91-112,030.61

Finding the Fourth Proportional to 261,966.33, 392,620.91 and 112,030.61

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Solution

The fourth proportional to 261,966.33, 392,620.91 and 112,030.61 is: 167,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,966.33 : 392,620.91 = 112,030.61 : x
  2. Step 2: Convert to fraction form
    261,966.33/392,620.91 = 112,030.61/x
  3. Step 3: Cross multiply
    261,966.33x = 392,620.91 × 112,030.61
  4. Step 4: Simplify right side
    261,966.33x = 43,985,557,522.80
  5. Step 5: Solve for x
    x = 43,985,557,522.80/261,966.33
  6. Step 6: Final answer
    x = 167,905.39

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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.