Home / 242,554.20-363,831.30-149,112.60

Finding the Fourth Proportional to 242,554.20, 363,831.30 and 149,112.60

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Solution

The fourth proportional to 242,554.20, 363,831.30 and 149,112.60 is: 223,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,554.20 : 363,831.30 = 149,112.60 : x
  2. Step 2: Convert to fraction form
    242,554.20/363,831.30 = 149,112.60/x
  3. Step 3: Cross multiply
    242,554.20x = 363,831.30 × 149,112.60
  4. Step 4: Simplify right side
    242,554.20x = 54,251,831,104.38
  5. Step 5: Solve for x
    x = 54,251,831,104.38/242,554.20
  6. Step 6: Final answer
    x = 223,668.90

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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.