Home / 197,517.48-296,210.40-85,127.52

Finding the Fourth Proportional to 197,517.48, 296,210.40 and 85,127.52

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Solution

The fourth proportional to 197,517.48, 296,210.40 and 85,127.52 is: 127,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,517.48 : 296,210.40 = 85,127.52 : x
  2. Step 2: Convert to fraction form
    197,517.48/296,210.40 = 85,127.52/x
  3. Step 3: Cross multiply
    197,517.48x = 296,210.40 × 85,127.52
  4. Step 4: Simplify right side
    197,517.48x = 25,215,656,750.21
  5. Step 5: Solve for x
    x = 25,215,656,750.21/197,517.48
  6. Step 6: Final answer
    x = 127,662.91

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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.