Home / 114,338.24-157,786.80-64,037.60

Finding the Fourth Proportional to 114,338.24, 157,786.80 and 64,037.60

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Solution

The fourth proportional to 114,338.24, 157,786.80 and 64,037.60 is: 88,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,338.24 : 157,786.80 = 64,037.60 : x
  2. Step 2: Convert to fraction form
    114,338.24/157,786.80 = 64,037.60/x
  3. Step 3: Cross multiply
    114,338.24x = 157,786.80 × 64,037.60
  4. Step 4: Simplify right side
    114,338.24x = 10,104,287,983.68
  5. Step 5: Solve for x
    x = 10,104,287,983.68/114,338.24
  6. Step 6: Final answer
    x = 88,371.90

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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.