Home / 147,442.78-221,107.98-52,655.27

Finding the Fourth Proportional to 147,442.78, 221,107.98 and 52,655.27

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Solution

The fourth proportional to 147,442.78, 221,107.98 and 52,655.27 is: 78,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,442.78 : 221,107.98 = 52,655.27 : x
  2. Step 2: Convert to fraction form
    147,442.78/221,107.98 = 52,655.27/x
  3. Step 3: Cross multiply
    147,442.78x = 221,107.98 × 52,655.27
  4. Step 4: Simplify right side
    147,442.78x = 11,642,499,181.79
  5. Step 5: Solve for x
    x = 11,642,499,181.79/147,442.78
  6. Step 6: Final answer
    x = 78,962.83

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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.