Home / 259,410.96-386,537.51-231,113.57

Finding the Fourth Proportional to 259,410.96, 386,537.51 and 231,113.57

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Solution

The fourth proportional to 259,410.96, 386,537.51 and 231,113.57 is: 344,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,410.96 : 386,537.51 = 231,113.57 : x
  2. Step 2: Convert to fraction form
    259,410.96/386,537.51 = 231,113.57/x
  3. Step 3: Cross multiply
    259,410.96x = 386,537.51 × 231,113.57
  4. Step 4: Simplify right side
    259,410.96x = 89,334,063,875.01
  5. Step 5: Solve for x
    x = 89,334,063,875.01/259,410.96
  6. Step 6: Final answer
    x = 344,372.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.