Home / 261,623.75-392,494.13-95,411.75

Finding the Fourth Proportional to 261,623.75, 392,494.13 and 95,411.75

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Solution

The fourth proportional to 261,623.75, 392,494.13 and 95,411.75 is: 143,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,623.75 : 392,494.13 = 95,411.75 : x
  2. Step 2: Convert to fraction form
    261,623.75/392,494.13 = 95,411.75/x
  3. Step 3: Cross multiply
    261,623.75x = 392,494.13 × 95,411.75
  4. Step 4: Simplify right side
    261,623.75x = 37,448,551,808.03
  5. Step 5: Solve for x
    x = 37,448,551,808.03/261,623.75
  6. Step 6: Final answer
    x = 143,138.96

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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.