Home / 256,119.40-384,179.10-89,924.20

Finding the Fourth Proportional to 256,119.40, 384,179.10 and 89,924.20

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Solution

The fourth proportional to 256,119.40, 384,179.10 and 89,924.20 is: 134,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,119.40 : 384,179.10 = 89,924.20 : x
  2. Step 2: Convert to fraction form
    256,119.40/384,179.10 = 89,924.20/x
  3. Step 3: Cross multiply
    256,119.40x = 384,179.10 × 89,924.20
  4. Step 4: Simplify right side
    256,119.40x = 34,546,998,224.22
  5. Step 5: Solve for x
    x = 34,546,998,224.22/256,119.40
  6. Step 6: Final answer
    x = 134,886.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.