Home / 192,100.16-265,098.54-107,217.20

Finding the Fourth Proportional to 192,100.16, 265,098.54 and 107,217.20

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Solution

The fourth proportional to 192,100.16, 265,098.54 and 107,217.20 is: 147,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,100.16 : 265,098.54 = 107,217.20 : x
  2. Step 2: Convert to fraction form
    192,100.16/265,098.54 = 107,217.20/x
  3. Step 3: Cross multiply
    192,100.16x = 265,098.54 × 107,217.20
  4. Step 4: Simplify right side
    192,100.16x = 28,423,123,182.89
  5. Step 5: Solve for x
    x = 28,423,123,182.89/192,100.16
  6. Step 6: Final answer
    x = 147,959.91

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1.5x scale

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.