Home / 221,148.48-331,734.06-63,378.30

Finding the Fourth Proportional to 221,148.48, 331,734.06 and 63,378.30

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Solution

The fourth proportional to 221,148.48, 331,734.06 and 63,378.30 is: 95,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,148.48 : 331,734.06 = 63,378.30 : x
  2. Step 2: Convert to fraction form
    221,148.48/331,734.06 = 63,378.30/x
  3. Step 3: Cross multiply
    221,148.48x = 331,734.06 × 63,378.30
  4. Step 4: Simplify right side
    221,148.48x = 21,024,740,774.90
  5. Step 5: Solve for x
    x = 21,024,740,774.90/221,148.48
  6. Step 6: Final answer
    x = 95,070.70

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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.