Home / 381,849.28-526,937.36-212,094.24

Finding the Fourth Proportional to 381,849.28, 526,937.36 and 212,094.24

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Solution

The fourth proportional to 381,849.28, 526,937.36 and 212,094.24 is: 292,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,849.28 : 526,937.36 = 212,094.24 : x
  2. Step 2: Convert to fraction form
    381,849.28/526,937.36 = 212,094.24/x
  3. Step 3: Cross multiply
    381,849.28x = 526,937.36 × 212,094.24
  4. Step 4: Simplify right side
    381,849.28x = 111,760,378,896.81
  5. Step 5: Solve for x
    x = 111,760,378,896.81/381,849.28
  6. Step 6: Final answer
    x = 292,681.92

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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.