Home / 361,831.05-542,621.13-148,538.41

Finding the Fourth Proportional to 361,831.05, 542,621.13 and 148,538.41

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Solution

The fourth proportional to 361,831.05, 542,621.13 and 148,538.41 is: 222,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,831.05 : 542,621.13 = 148,538.41 : x
  2. Step 2: Convert to fraction form
    361,831.05/542,621.13 = 148,538.41/x
  3. Step 3: Cross multiply
    361,831.05x = 542,621.13 × 148,538.41
  4. Step 4: Simplify right side
    361,831.05x = 80,600,077,969.03
  5. Step 5: Solve for x
    x = 80,600,077,969.03/361,831.05
  6. Step 6: Final answer
    x = 222,756.11

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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.