Home / 114,683.10-158,241.80-69,354.78

Finding the Fourth Proportional to 114,683.10, 158,241.80 and 69,354.78

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Solution

The fourth proportional to 114,683.10, 158,241.80 and 69,354.78 is: 95,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,683.10 : 158,241.80 = 69,354.78 : x
  2. Step 2: Convert to fraction form
    114,683.10/158,241.80 = 69,354.78/x
  3. Step 3: Cross multiply
    114,683.10x = 158,241.80 × 69,354.78
  4. Step 4: Simplify right side
    114,683.10x = 10,974,825,225.80
  5. Step 5: Solve for x
    x = 10,974,825,225.80/114,683.10
  6. Step 6: Final answer
    x = 95,696.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.