Home / 373,129.32-514,932.23-212,011.65

Finding the Fourth Proportional to 373,129.32, 514,932.23 and 212,011.65

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Solution

The fourth proportional to 373,129.32, 514,932.23 and 212,011.65 is: 292,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,129.32 : 514,932.23 = 212,011.65 : x
  2. Step 2: Convert to fraction form
    373,129.32/514,932.23 = 212,011.65/x
  3. Step 3: Cross multiply
    373,129.32x = 514,932.23 × 212,011.65
  4. Step 4: Simplify right side
    373,129.32x = 109,171,630,660.42
  5. Step 5: Solve for x
    x = 109,171,630,660.42/373,129.32
  6. Step 6: Final answer
    x = 292,583.90

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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.