Home / 221,056.40-331,497.08-96,310.16

Finding the Fourth Proportional to 221,056.40, 331,497.08 and 96,310.16

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Solution

The fourth proportional to 221,056.40, 331,497.08 and 96,310.16 is: 144,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,056.40 : 331,497.08 = 96,310.16 : x
  2. Step 2: Convert to fraction form
    221,056.40/331,497.08 = 96,310.16/x
  3. Step 3: Cross multiply
    221,056.40x = 331,497.08 × 96,310.16
  4. Step 4: Simplify right side
    221,056.40x = 31,926,536,814.33
  5. Step 5: Solve for x
    x = 31,926,536,814.33/221,056.40
  6. Step 6: Final answer
    x = 144,427.11

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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.