Home / 133,040.04-199,607.28-83,062.20

Finding the Fourth Proportional to 133,040.04, 199,607.28 and 83,062.20

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Solution

The fourth proportional to 133,040.04, 199,607.28 and 83,062.20 is: 124,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.04 : 199,607.28 = 83,062.20 : x
  2. Step 2: Convert to fraction form
    133,040.04/199,607.28 = 83,062.20/x
  3. Step 3: Cross multiply
    133,040.04x = 199,607.28 × 83,062.20
  4. Step 4: Simplify right side
    133,040.04x = 16,579,819,812.82
  5. Step 5: Solve for x
    x = 16,579,819,812.82/133,040.04
  6. Step 6: Final answer
    x = 124,622.78

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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.