Home / 114,135.28-157,561.61-75,958.36

Finding the Fourth Proportional to 114,135.28, 157,561.61 and 75,958.36

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Solution

The fourth proportional to 114,135.28, 157,561.61 and 75,958.36 is: 104,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,135.28 : 157,561.61 = 75,958.36 : x
  2. Step 2: Convert to fraction form
    114,135.28/157,561.61 = 75,958.36/x
  3. Step 3: Cross multiply
    114,135.28x = 157,561.61 × 75,958.36
  4. Step 4: Simplify right side
    114,135.28x = 11,968,120,720.86
  5. Step 5: Solve for x
    x = 11,968,120,720.86/114,135.28
  6. Step 6: Final answer
    x = 104,859.08

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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.