Home / 185,102.20-277,653.30-91,790.20

Finding the Fourth Proportional to 185,102.20, 277,653.30 and 91,790.20

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Solution

The fourth proportional to 185,102.20, 277,653.30 and 91,790.20 is: 137,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,102.20 : 277,653.30 = 91,790.20 : x
  2. Step 2: Convert to fraction form
    185,102.20/277,653.30 = 91,790.20/x
  3. Step 3: Cross multiply
    185,102.20x = 277,653.30 × 91,790.20
  4. Step 4: Simplify right side
    185,102.20x = 25,485,851,937.66
  5. Step 5: Solve for x
    x = 25,485,851,937.66/185,102.20
  6. Step 6: Final answer
    x = 137,685.30

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1.5x scale

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.