Home / 186,899.40-280,062.06-126,849.90

Finding the Fourth Proportional to 186,899.40, 280,062.06 and 126,849.90

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Solution

The fourth proportional to 186,899.40, 280,062.06 and 126,849.90 is: 190,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899.40 : 280,062.06 = 126,849.90 : x
  2. Step 2: Convert to fraction form
    186,899.40/280,062.06 = 126,849.90/x
  3. Step 3: Cross multiply
    186,899.40x = 280,062.06 × 126,849.90
  4. Step 4: Simplify right side
    186,899.40x = 35,525,844,304.79
  5. Step 5: Solve for x
    x = 35,525,844,304.79/186,899.40
  6. Step 6: Final answer
    x = 190,080.03

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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.