Home / 114,708.36-158,316.35-66,311.87

Finding the Fourth Proportional to 114,708.36, 158,316.35 and 66,311.87

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Solution

The fourth proportional to 114,708.36, 158,316.35 and 66,311.87 is: 91,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,708.36 : 158,316.35 = 66,311.87 : x
  2. Step 2: Convert to fraction form
    114,708.36/158,316.35 = 66,311.87/x
  3. Step 3: Cross multiply
    114,708.36x = 158,316.35 × 66,311.87
  4. Step 4: Simplify right side
    114,708.36x = 10,498,253,284.31
  5. Step 5: Solve for x
    x = 10,498,253,284.31/114,708.36
  6. Step 6: Final answer
    x = 91,521.26

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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.