Home / 256,929.28-354,563.10-142,215.82

Finding the Fourth Proportional to 256,929.28, 354,563.10 and 142,215.82

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Solution

The fourth proportional to 256,929.28, 354,563.10 and 142,215.82 is: 196,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,929.28 : 354,563.10 = 142,215.82 : x
  2. Step 2: Convert to fraction form
    256,929.28/354,563.10 = 142,215.82/x
  3. Step 3: Cross multiply
    256,929.28x = 354,563.10 × 142,215.82
  4. Step 4: Simplify right side
    256,929.28x = 50,424,482,008.24
  5. Step 5: Solve for x
    x = 50,424,482,008.24/256,929.28
  6. Step 6: Final answer
    x = 196,258.22

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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.