Home / 186,831.72-280,247.88-149,628.42

Finding the Fourth Proportional to 186,831.72, 280,247.88 and 149,628.42

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Solution

The fourth proportional to 186,831.72, 280,247.88 and 149,628.42 is: 224,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,831.72 : 280,247.88 = 149,628.42 : x
  2. Step 2: Convert to fraction form
    186,831.72/280,247.88 = 149,628.42/x
  3. Step 3: Cross multiply
    186,831.72x = 280,247.88 × 149,628.42
  4. Step 4: Simplify right side
    186,831.72x = 41,933,047,492.75
  5. Step 5: Solve for x
    x = 41,933,047,492.75/186,831.72
  6. Step 6: Final answer
    x = 224,442.87

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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.