Home / 261,743.88-392,694.64-93,242.21

Finding the Fourth Proportional to 261,743.88, 392,694.64 and 93,242.21

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Solution

The fourth proportional to 261,743.88, 392,694.64 and 93,242.21 is: 139,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,743.88 : 392,694.64 = 93,242.21 : x
  2. Step 2: Convert to fraction form
    261,743.88/392,694.64 = 93,242.21/x
  3. Step 3: Cross multiply
    261,743.88x = 392,694.64 × 93,242.21
  4. Step 4: Simplify right side
    261,743.88x = 36,615,716,088.75
  5. Step 5: Solve for x
    x = 36,615,716,088.75/261,743.88
  6. Step 6: Final answer
    x = 139,891.39

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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.