Home / 114,719.28-158,288.61-69,388.39

Finding the Fourth Proportional to 114,719.28, 158,288.61 and 69,388.39

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Solution

The fourth proportional to 114,719.28, 158,288.61 and 69,388.39 is: 95,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,719.28 : 158,288.61 = 69,388.39 : x
  2. Step 2: Convert to fraction form
    114,719.28/158,288.61 = 69,388.39/x
  3. Step 3: Cross multiply
    114,719.28x = 158,288.61 × 69,388.39
  4. Step 4: Simplify right side
    114,719.28x = 10,983,391,803.24
  5. Step 5: Solve for x
    x = 10,983,391,803.24/114,719.28
  6. Step 6: Final answer
    x = 95,741.46

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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.