Home / 349,964.60-524,558.10-192,306.20

Finding the Fourth Proportional to 349,964.60, 524,558.10 and 192,306.20

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Solution

The fourth proportional to 349,964.60, 524,558.10 and 192,306.20 is: 288,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,964.60 : 524,558.10 = 192,306.20 : x
  2. Step 2: Convert to fraction form
    349,964.60/524,558.10 = 192,306.20/x
  3. Step 3: Cross multiply
    349,964.60x = 524,558.10 × 192,306.20
  4. Step 4: Simplify right side
    349,964.60x = 100,875,774,890.22
  5. Step 5: Solve for x
    x = 100,875,774,890.22/349,964.60
  6. Step 6: Final answer
    x = 288,245.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.