Home / 494,790.35-742,306.41-157,831.05

Finding the Fourth Proportional to 494,790.35, 742,306.41 and 157,831.05

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Solution

The fourth proportional to 494,790.35, 742,306.41 and 157,831.05 is: 236,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,790.35 : 742,306.41 = 157,831.05 : x
  2. Step 2: Convert to fraction form
    494,790.35/742,306.41 = 157,831.05/x
  3. Step 3: Cross multiply
    494,790.35x = 742,306.41 × 157,831.05
  4. Step 4: Simplify right side
    494,790.35x = 117,159,002,895.68
  5. Step 5: Solve for x
    x = 117,159,002,895.68/494,790.35
  6. Step 6: Final answer
    x = 236,785.14

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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.