Home / 138,831.03-208,246.56-33,650.01

Finding the Fourth Proportional to 138,831.03, 208,246.56 and 33,650.01

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Solution

The fourth proportional to 138,831.03, 208,246.56 and 33,650.01 is: 50,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,831.03 : 208,246.56 = 33,650.01 : x
  2. Step 2: Convert to fraction form
    138,831.03/208,246.56 = 33,650.01/x
  3. Step 3: Cross multiply
    138,831.03x = 208,246.56 × 33,650.01
  4. Step 4: Simplify right side
    138,831.03x = 7,007,498,826.47
  5. Step 5: Solve for x
    x = 7,007,498,826.47/138,831.03
  6. Step 6: Final answer
    x = 50,475.02

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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.