Home / 148,983.92-205,568.40-83,574.92

Finding the Fourth Proportional to 148,983.92, 205,568.40 and 83,574.92

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Solution

The fourth proportional to 148,983.92, 205,568.40 and 83,574.92 is: 115,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,983.92 : 205,568.40 = 83,574.92 : x
  2. Step 2: Convert to fraction form
    148,983.92/205,568.40 = 83,574.92/x
  3. Step 3: Cross multiply
    148,983.92x = 205,568.40 × 83,574.92
  4. Step 4: Simplify right side
    148,983.92x = 17,180,362,584.53
  5. Step 5: Solve for x
    x = 17,180,362,584.53/148,983.92
  6. Step 6: Final answer
    x = 115,316.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.