Home / 115,329.33-159,146.57-66,932.66

Finding the Fourth Proportional to 115,329.33, 159,146.57 and 66,932.66

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Solution

The fourth proportional to 115,329.33, 159,146.57 and 66,932.66 is: 92,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,329.33 : 159,146.57 = 66,932.66 : x
  2. Step 2: Convert to fraction form
    115,329.33/159,146.57 = 66,932.66/x
  3. Step 3: Cross multiply
    115,329.33x = 159,146.57 × 66,932.66
  4. Step 4: Simplify right side
    115,329.33x = 10,652,103,825.17
  5. Step 5: Solve for x
    x = 10,652,103,825.17/115,329.33
  6. Step 6: Final answer
    x = 92,362.49

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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.