Home / 256,837.47-354,535.05-229,933.26

Finding the Fourth Proportional to 256,837.47, 354,535.05 and 229,933.26

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Solution

The fourth proportional to 256,837.47, 354,535.05 and 229,933.26 is: 317,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,837.47 : 354,535.05 = 229,933.26 : x
  2. Step 2: Convert to fraction form
    256,837.47/354,535.05 = 229,933.26/x
  3. Step 3: Cross multiply
    256,837.47x = 354,535.05 × 229,933.26
  4. Step 4: Simplify right side
    256,837.47x = 81,519,399,830.76
  5. Step 5: Solve for x
    x = 81,519,399,830.76/256,837.47
  6. Step 6: Final answer
    x = 317,396.83

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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.