Home / 256,151.26-353,487.12-141,437.03

Finding the Fourth Proportional to 256,151.26, 353,487.12 and 141,437.03

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Solution

The fourth proportional to 256,151.26, 353,487.12 and 141,437.03 is: 195,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,151.26 : 353,487.12 = 141,437.03 : x
  2. Step 2: Convert to fraction form
    256,151.26/353,487.12 = 141,437.03/x
  3. Step 3: Cross multiply
    256,151.26x = 353,487.12 × 141,437.03
  4. Step 4: Simplify right side
    256,151.26x = 49,996,168,396.05
  5. Step 5: Solve for x
    x = 49,996,168,396.05/256,151.26
  6. Step 6: Final answer
    x = 195,182.21

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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.