Home / 256,546.47-354,132.90-229,641.51

Finding the Fourth Proportional to 256,546.47, 354,132.90 and 229,641.51

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Solution

The fourth proportional to 256,546.47, 354,132.90 and 229,641.51 is: 316,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,546.47 : 354,132.90 = 229,641.51 : x
  2. Step 2: Convert to fraction form
    256,546.47/354,132.90 = 229,641.51/x
  3. Step 3: Cross multiply
    256,546.47x = 354,132.90 × 229,641.51
  4. Step 4: Simplify right side
    256,546.47x = 81,323,613,896.68
  5. Step 5: Solve for x
    x = 81,323,613,896.68/256,546.47
  6. Step 6: Final answer
    x = 316,993.70

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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.