Home / 114,289.08-157,720.09-68,958.29

Finding the Fourth Proportional to 114,289.08, 157,720.09 and 68,958.29

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Solution

The fourth proportional to 114,289.08, 157,720.09 and 68,958.29 is: 95,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,289.08 : 157,720.09 = 68,958.29 : x
  2. Step 2: Convert to fraction form
    114,289.08/157,720.09 = 68,958.29/x
  3. Step 3: Cross multiply
    114,289.08x = 157,720.09 × 68,958.29
  4. Step 4: Simplify right side
    114,289.08x = 10,876,106,916.45
  5. Step 5: Solve for x
    x = 10,876,106,916.45/114,289.08
  6. Step 6: Final answer
    x = 95,163.13

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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.