Home / 204,701.76-307,026.72-80,130.24

Finding the Fourth Proportional to 204,701.76, 307,026.72 and 80,130.24

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Solution

The fourth proportional to 204,701.76, 307,026.72 and 80,130.24 is: 120,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,701.76 : 307,026.72 = 80,130.24 : x
  2. Step 2: Convert to fraction form
    204,701.76/307,026.72 = 80,130.24/x
  3. Step 3: Cross multiply
    204,701.76x = 307,026.72 × 80,130.24
  4. Step 4: Simplify right side
    204,701.76x = 24,602,124,760.01
  5. Step 5: Solve for x
    x = 24,602,124,760.01/204,701.76
  6. Step 6: Final answer
    x = 120,185.21

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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.