Home / 205,041.90-282,966.03-114,405.78

Finding the Fourth Proportional to 205,041.90, 282,966.03 and 114,405.78

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Solution

The fourth proportional to 205,041.90, 282,966.03 and 114,405.78 is: 157,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,041.90 : 282,966.03 = 114,405.78 : x
  2. Step 2: Convert to fraction form
    205,041.90/282,966.03 = 114,405.78/x
  3. Step 3: Cross multiply
    205,041.90x = 282,966.03 × 114,405.78
  4. Step 4: Simplify right side
    205,041.90x = 32,372,949,375.65
  5. Step 5: Solve for x
    x = 32,372,949,375.65/205,041.90
  6. Step 6: Final answer
    x = 157,884.56

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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.