Home / 381,848.16-526,941.27-212,082.42

Finding the Fourth Proportional to 381,848.16, 526,941.27 and 212,082.42

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Solution

The fourth proportional to 381,848.16, 526,941.27 and 212,082.42 is: 292,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,848.16 : 526,941.27 = 212,082.42 : x
  2. Step 2: Convert to fraction form
    381,848.16/526,941.27 = 212,082.42/x
  3. Step 3: Cross multiply
    381,848.16x = 526,941.27 × 212,082.42
  4. Step 4: Simplify right side
    381,848.16x = 111,754,979,739.47
  5. Step 5: Solve for x
    x = 111,754,979,739.47/381,848.16
  6. Step 6: Final answer
    x = 292,668.63

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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.