Home / 154,992.78-232,513.47-66,246.75

Finding the Fourth Proportional to 154,992.78, 232,513.47 and 66,246.75

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Solution

The fourth proportional to 154,992.78, 232,513.47 and 66,246.75 is: 99,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,992.78 : 232,513.47 = 66,246.75 : x
  2. Step 2: Convert to fraction form
    154,992.78/232,513.47 = 66,246.75/x
  3. Step 3: Cross multiply
    154,992.78x = 232,513.47 × 66,246.75
  4. Step 4: Simplify right side
    154,992.78x = 15,403,261,718.72
  5. Step 5: Solve for x
    x = 15,403,261,718.72/154,992.78
  6. Step 6: Final answer
    x = 99,380.51

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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.