Home / 96,564.15-144,815.11-90,267.14

Finding the Fourth Proportional to 96,564.15, 144,815.11 and 90,267.14

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Solution

The fourth proportional to 96,564.15, 144,815.11 and 90,267.14 is: 135,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,564.15 : 144,815.11 = 90,267.14 : x
  2. Step 2: Convert to fraction form
    96,564.15/144,815.11 = 90,267.14/x
  3. Step 3: Cross multiply
    96,564.15x = 144,815.11 × 90,267.14
  4. Step 4: Simplify right side
    96,564.15x = 13,072,045,944.86
  5. Step 5: Solve for x
    x = 13,072,045,944.86/96,564.15
  6. Step 6: Final answer
    x = 135,371.63

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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.