Home / 221,899.90-332,655.45-133,059.10

Finding the Fourth Proportional to 221,899.90, 332,655.45 and 133,059.10

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Solution

The fourth proportional to 221,899.90, 332,655.45 and 133,059.10 is: 199,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,899.90 : 332,655.45 = 133,059.10 : x
  2. Step 2: Convert to fraction form
    221,899.90/332,655.45 = 133,059.10/x
  3. Step 3: Cross multiply
    221,899.90x = 332,655.45 × 133,059.10
  4. Step 4: Simplify right side
    221,899.90x = 44,262,834,787.10
  5. Step 5: Solve for x
    x = 44,262,834,787.10/221,899.90
  6. Step 6: Final answer
    x = 199,472.08

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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.