Home / 114,877.72-158,507.80-67,121.84

Finding the Fourth Proportional to 114,877.72, 158,507.80 and 67,121.84

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Solution

The fourth proportional to 114,877.72, 158,507.80 and 67,121.84 is: 92,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,877.72 : 158,507.80 = 67,121.84 : x
  2. Step 2: Convert to fraction form
    114,877.72/158,507.80 = 67,121.84/x
  3. Step 3: Cross multiply
    114,877.72x = 158,507.80 × 67,121.84
  4. Step 4: Simplify right side
    114,877.72x = 10,639,335,190.35
  5. Step 5: Solve for x
    x = 10,639,335,190.35/114,877.72
  6. Step 6: Final answer
    x = 92,614.44

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1.5x scale

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.