Home / 221,092.11-331,636.86-63,320.58

Finding the Fourth Proportional to 221,092.11, 331,636.86 and 63,320.58

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Solution

The fourth proportional to 221,092.11, 331,636.86 and 63,320.58 is: 94,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,092.11 : 331,636.86 = 63,320.58 : x
  2. Step 2: Convert to fraction form
    221,092.11/331,636.86 = 63,320.58/x
  3. Step 3: Cross multiply
    221,092.11x = 331,636.86 × 63,320.58
  4. Step 4: Simplify right side
    221,092.11x = 20,999,438,324.58
  5. Step 5: Solve for x
    x = 20,999,438,324.58/221,092.11
  6. Step 6: Final answer
    x = 94,980.50

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1.5x scale

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.