Home / 341,320.98-511,988.85-104,658.42

Finding the Fourth Proportional to 341,320.98, 511,988.85 and 104,658.42

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Solution

The fourth proportional to 341,320.98, 511,988.85 and 104,658.42 is: 156,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,320.98 : 511,988.85 = 104,658.42 : x
  2. Step 2: Convert to fraction form
    341,320.98/511,988.85 = 104,658.42/x
  3. Step 3: Cross multiply
    341,320.98x = 511,988.85 × 104,658.42
  4. Step 4: Simplify right side
    341,320.98x = 53,583,944,098.62
  5. Step 5: Solve for x
    x = 53,583,944,098.62/341,320.98
  6. Step 6: Final answer
    x = 156,989.89

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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.