Home / 259,176.10-357,540.78-151,679.56

Finding the Fourth Proportional to 259,176.10, 357,540.78 and 151,679.56

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Solution

The fourth proportional to 259,176.10, 357,540.78 and 151,679.56 is: 209,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,176.10 : 357,540.78 = 151,679.56 : x
  2. Step 2: Convert to fraction form
    259,176.10/357,540.78 = 151,679.56/x
  3. Step 3: Cross multiply
    259,176.10x = 357,540.78 × 151,679.56
  4. Step 4: Simplify right side
    259,176.10x = 54,231,628,192.46
  5. Step 5: Solve for x
    x = 54,231,628,192.46/259,176.10
  6. Step 6: Final answer
    x = 209,246.25

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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.