Home / 381,177.26-526,011.27-211,427.18

Finding the Fourth Proportional to 381,177.26, 526,011.27 and 211,427.18

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Solution

The fourth proportional to 381,177.26, 526,011.27 and 211,427.18 is: 291,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,177.26 : 526,011.27 = 211,427.18 : x
  2. Step 2: Convert to fraction form
    381,177.26/526,011.27 = 211,427.18/x
  3. Step 3: Cross multiply
    381,177.26x = 526,011.27 × 211,427.18
  4. Step 4: Simplify right side
    381,177.26x = 111,213,079,464.32
  5. Step 5: Solve for x
    x = 111,213,079,464.32/381,177.26
  6. Step 6: Final answer
    x = 291,762.10

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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.