Home / 196,426.31-270,997.29-128,482.08

Finding the Fourth Proportional to 196,426.31, 270,997.29 and 128,482.08

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Solution

The fourth proportional to 196,426.31, 270,997.29 and 128,482.08 is: 177,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,426.31 : 270,997.29 = 128,482.08 : x
  2. Step 2: Convert to fraction form
    196,426.31/270,997.29 = 128,482.08/x
  3. Step 3: Cross multiply
    196,426.31x = 270,997.29 × 128,482.08
  4. Step 4: Simplify right side
    196,426.31x = 34,818,295,493.56
  5. Step 5: Solve for x
    x = 34,818,295,493.56/196,426.31
  6. Step 6: Final answer
    x = 177,258.82

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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.