Home / 425,944.26-638,848.62-141,611.22

Finding the Fourth Proportional to 425,944.26, 638,848.62 and 141,611.22

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Solution

The fourth proportional to 425,944.26, 638,848.62 and 141,611.22 is: 212,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,944.26 : 638,848.62 = 141,611.22 : x
  2. Step 2: Convert to fraction form
    425,944.26/638,848.62 = 141,611.22/x
  3. Step 3: Cross multiply
    425,944.26x = 638,848.62 × 141,611.22
  4. Step 4: Simplify right side
    425,944.26x = 90,468,132,473.52
  5. Step 5: Solve for x
    x = 90,468,132,473.52/425,944.26
  6. Step 6: Final answer
    x = 212,394.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.