Home / 256,317.20-353,703.06-153,067.88

Finding the Fourth Proportional to 256,317.20, 353,703.06 and 153,067.88

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Solution

The fourth proportional to 256,317.20, 353,703.06 and 153,067.88 is: 211,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,317.20 : 353,703.06 = 153,067.88 : x
  2. Step 2: Convert to fraction form
    256,317.20/353,703.06 = 153,067.88/x
  3. Step 3: Cross multiply
    256,317.20x = 353,703.06 × 153,067.88
  4. Step 4: Simplify right side
    256,317.20x = 54,140,577,543.71
  5. Step 5: Solve for x
    x = 54,140,577,543.71/256,317.20
  6. Step 6: Final answer
    x = 211,224.91

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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.