Home / 331,986.79-458,111.01-188,718.85

Finding the Fourth Proportional to 331,986.79, 458,111.01 and 188,718.85

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Solution

The fourth proportional to 331,986.79, 458,111.01 and 188,718.85 is: 260,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,986.79 : 458,111.01 = 188,718.85 : x
  2. Step 2: Convert to fraction form
    331,986.79/458,111.01 = 188,718.85/x
  3. Step 3: Cross multiply
    331,986.79x = 458,111.01 × 188,718.85
  4. Step 4: Simplify right side
    331,986.79x = 86,454,182,979.54
  5. Step 5: Solve for x
    x = 86,454,182,979.54/331,986.79
  6. Step 6: Final answer
    x = 260,414.53

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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.