Home / 256,686.35-354,084.96-149,244.51

Finding the Fourth Proportional to 256,686.35, 354,084.96 and 149,244.51

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Solution

The fourth proportional to 256,686.35, 354,084.96 and 149,244.51 is: 205,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,686.35 : 354,084.96 = 149,244.51 : x
  2. Step 2: Convert to fraction form
    256,686.35/354,084.96 = 149,244.51/x
  3. Step 3: Cross multiply
    256,686.35x = 354,084.96 × 149,244.51
  4. Step 4: Simplify right side
    256,686.35x = 52,845,236,353.57
  5. Step 5: Solve for x
    x = 52,845,236,353.57/256,686.35
  6. Step 6: Final answer
    x = 205,874.74

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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.