Home / 170,428.20-235,616.08-127,912.92

Finding the Fourth Proportional to 170,428.20, 235,616.08 and 127,912.92

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Solution

The fourth proportional to 170,428.20, 235,616.08 and 127,912.92 is: 176,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,428.20 : 235,616.08 = 127,912.92 : x
  2. Step 2: Convert to fraction form
    170,428.20/235,616.08 = 127,912.92/x
  3. Step 3: Cross multiply
    170,428.20x = 235,616.08 × 127,912.92
  4. Step 4: Simplify right side
    170,428.20x = 30,138,340,791.75
  5. Step 5: Solve for x
    x = 30,138,340,791.75/170,428.20
  6. Step 6: Final answer
    x = 176,838.93

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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.