Home / 261,738.46-392,803.08-194,425.91

Finding the Fourth Proportional to 261,738.46, 392,803.08 and 194,425.91

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Solution

The fourth proportional to 261,738.46, 392,803.08 and 194,425.91 is: 291,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,738.46 : 392,803.08 = 194,425.91 : x
  2. Step 2: Convert to fraction form
    261,738.46/392,803.08 = 194,425.91/x
  3. Step 3: Cross multiply
    261,738.46x = 392,803.08 × 194,425.91
  4. Step 4: Simplify right side
    261,738.46x = 76,371,096,279.80
  5. Step 5: Solve for x
    x = 76,371,096,279.80/261,738.46
  6. Step 6: Final answer
    x = 291,784.01

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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.