Home / 256,690.22-354,090.30-149,248.38

Finding the Fourth Proportional to 256,690.22, 354,090.30 and 149,248.38

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Solution

The fourth proportional to 256,690.22, 354,090.30 and 149,248.38 is: 205,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,690.22 : 354,090.30 = 149,248.38 : x
  2. Step 2: Convert to fraction form
    256,690.22/354,090.30 = 149,248.38/x
  3. Step 3: Cross multiply
    256,690.22x = 354,090.30 × 149,248.38
  4. Step 4: Simplify right side
    256,690.22x = 52,847,403,648.71
  5. Step 5: Solve for x
    x = 52,847,403,648.71/256,690.22
  6. Step 6: Final answer
    x = 205,880.08

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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.