Home / 347,826.88-480,012.96-194,871.52

Finding the Fourth Proportional to 347,826.88, 480,012.96 and 194,871.52

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Solution

The fourth proportional to 347,826.88, 480,012.96 and 194,871.52 is: 268,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,826.88 : 480,012.96 = 194,871.52 : x
  2. Step 2: Convert to fraction form
    347,826.88/480,012.96 = 194,871.52/x
  3. Step 3: Cross multiply
    347,826.88x = 480,012.96 × 194,871.52
  4. Step 4: Simplify right side
    347,826.88x = 93,540,855,134.90
  5. Step 5: Solve for x
    x = 93,540,855,134.90/347,826.88
  6. Step 6: Final answer
    x = 268,929.35

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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.