Home / 256,634.60-354,158.03-141,921

Finding the Fourth Proportional to 256,634.60, 354,158.03 and 141,921

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Solution

The fourth proportional to 256,634.60, 354,158.03 and 141,921 is: 195,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,634.60 : 354,158.03 = 141,921 : x
  2. Step 2: Convert to fraction form
    256,634.60/354,158.03 = 141,921/x
  3. Step 3: Cross multiply
    256,634.60x = 354,158.03 × 141,921
  4. Step 4: Simplify right side
    256,634.60x = 50,262,462,130.43
  5. Step 5: Solve for x
    x = 50,262,462,130.43/256,634.60
  6. Step 6: Final answer
    x = 195,852.25

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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.