Home / 256,584.42-354,080.38-143,417.70

Finding the Fourth Proportional to 256,584.42, 354,080.38 and 143,417.70

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Solution

The fourth proportional to 256,584.42, 354,080.38 and 143,417.70 is: 197,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,584.42 : 354,080.38 = 143,417.70 : x
  2. Step 2: Convert to fraction form
    256,584.42/354,080.38 = 143,417.70/x
  3. Step 3: Cross multiply
    256,584.42x = 354,080.38 × 143,417.70
  4. Step 4: Simplify right side
    256,584.42x = 50,781,391,227.24
  5. Step 5: Solve for x
    x = 50,781,391,227.24/256,584.42
  6. Step 6: Final answer
    x = 197,913.00

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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.