Home / 114,719.36-158,314.56-64,417.28

Finding the Fourth Proportional to 114,719.36, 158,314.56 and 64,417.28

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Solution

The fourth proportional to 114,719.36, 158,314.56 and 64,417.28 is: 88,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,719.36 : 158,314.56 = 64,417.28 : x
  2. Step 2: Convert to fraction form
    114,719.36/158,314.56 = 64,417.28/x
  3. Step 3: Cross multiply
    114,719.36x = 158,314.56 × 64,417.28
  4. Step 4: Simplify right side
    114,719.36x = 10,198,193,339.60
  5. Step 5: Solve for x
    x = 10,198,193,339.60/114,719.36
  6. Step 6: Final answer
    x = 88,896.88

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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.