Home / 114,748.80-158,344.48-64,438.08

Finding the Fourth Proportional to 114,748.80, 158,344.48 and 64,438.08

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Solution

The fourth proportional to 114,748.80, 158,344.48 and 64,438.08 is: 88,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,748.80 : 158,344.48 = 64,438.08 : x
  2. Step 2: Convert to fraction form
    114,748.80/158,344.48 = 64,438.08/x
  3. Step 3: Cross multiply
    114,748.80x = 158,344.48 × 64,438.08
  4. Step 4: Simplify right side
    114,748.80x = 10,203,414,269.80
  5. Step 5: Solve for x
    x = 10,203,414,269.80/114,748.80
  6. Step 6: Final answer
    x = 88,919.57

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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.