Home / 256,543.08-353,998.78-141,806.22

Finding the Fourth Proportional to 256,543.08, 353,998.78 and 141,806.22

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Solution

The fourth proportional to 256,543.08, 353,998.78 and 141,806.22 is: 195,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,543.08 : 353,998.78 = 141,806.22 : x
  2. Step 2: Convert to fraction form
    256,543.08/353,998.78 = 141,806.22/x
  3. Step 3: Cross multiply
    256,543.08x = 353,998.78 × 141,806.22
  4. Step 4: Simplify right side
    256,543.08x = 50,199,228,876.41
  5. Step 5: Solve for x
    x = 50,199,228,876.41/256,543.08
  6. Step 6: Final answer
    x = 195,675.63

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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.