Home / 256,535.36-354,016.23-143,358.11

Finding the Fourth Proportional to 256,535.36, 354,016.23 and 143,358.11

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Solution

The fourth proportional to 256,535.36, 354,016.23 and 143,358.11 is: 197,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,535.36 : 354,016.23 = 143,358.11 : x
  2. Step 2: Convert to fraction form
    256,535.36/354,016.23 = 143,358.11/x
  3. Step 3: Cross multiply
    256,535.36x = 354,016.23 × 143,358.11
  4. Step 4: Simplify right side
    256,535.36x = 50,751,097,642.13
  5. Step 5: Solve for x
    x = 50,751,097,642.13/256,535.36
  6. Step 6: Final answer
    x = 197,832.76

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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.