Home / 461,359.80-691,831.53-194,983.20

Finding the Fourth Proportional to 461,359.80, 691,831.53 and 194,983.20

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Solution

The fourth proportional to 461,359.80, 691,831.53 and 194,983.20 is: 292,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,359.80 : 691,831.53 = 194,983.20 : x
  2. Step 2: Convert to fraction form
    461,359.80/691,831.53 = 194,983.20/x
  3. Step 3: Cross multiply
    461,359.80x = 691,831.53 × 194,983.20
  4. Step 4: Simplify right side
    461,359.80x = 134,895,525,580.30
  5. Step 5: Solve for x
    x = 134,895,525,580.30/461,359.80
  6. Step 6: Final answer
    x = 292,386.82

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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.