Home / 115,912.32-159,934.41-68,148.24

Finding the Fourth Proportional to 115,912.32, 159,934.41 and 68,148.24

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Solution

The fourth proportional to 115,912.32, 159,934.41 and 68,148.24 is: 94,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912.32 : 159,934.41 = 68,148.24 : x
  2. Step 2: Convert to fraction form
    115,912.32/159,934.41 = 68,148.24/x
  3. Step 3: Cross multiply
    115,912.32x = 159,934.41 × 68,148.24
  4. Step 4: Simplify right side
    115,912.32x = 10,899,248,556.94
  5. Step 5: Solve for x
    x = 10,899,248,556.94/115,912.32
  6. Step 6: Final answer
    x = 94,030.11

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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.