Home / 381,261.39-526,154.72-230,329.23

Finding the Fourth Proportional to 381,261.39, 526,154.72 and 230,329.23

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Solution

The fourth proportional to 381,261.39, 526,154.72 and 230,329.23 is: 317,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,261.39 : 526,154.72 = 230,329.23 : x
  2. Step 2: Convert to fraction form
    381,261.39/526,154.72 = 230,329.23/x
  3. Step 3: Cross multiply
    381,261.39x = 526,154.72 × 230,329.23
  4. Step 4: Simplify right side
    381,261.39x = 121,188,810,366.82
  5. Step 5: Solve for x
    x = 121,188,810,366.82/381,261.39
  6. Step 6: Final answer
    x = 317,862.79

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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.