Home / 101,191.36-151,772.78-63,636.96

Finding the Fourth Proportional to 101,191.36, 151,772.78 and 63,636.96

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Solution

The fourth proportional to 101,191.36, 151,772.78 and 63,636.96 is: 95,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,191.36 : 151,772.78 = 63,636.96 : x
  2. Step 2: Convert to fraction form
    101,191.36/151,772.78 = 63,636.96/x
  3. Step 3: Cross multiply
    101,191.36x = 151,772.78 × 63,636.96
  4. Step 4: Simplify right side
    101,191.36x = 9,658,358,329.95
  5. Step 5: Solve for x
    x = 9,658,358,329.95/101,191.36
  6. Step 6: Final answer
    x = 95,446.47

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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.