Home / 226,026.72-311,959.84-149,547.36

Finding the Fourth Proportional to 226,026.72, 311,959.84 and 149,547.36

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Solution

The fourth proportional to 226,026.72, 311,959.84 and 149,547.36 is: 206,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,026.72 : 311,959.84 = 149,547.36 : x
  2. Step 2: Convert to fraction form
    226,026.72/311,959.84 = 149,547.36/x
  3. Step 3: Cross multiply
    226,026.72x = 311,959.84 × 149,547.36
  4. Step 4: Simplify right side
    226,026.72x = 46,652,770,498.02
  5. Step 5: Solve for x
    x = 46,652,770,498.02/226,026.72
  6. Step 6: Final answer
    x = 206,403.78

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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.