Home / 149,156.28-223,816.41-70,268.49

Finding the Fourth Proportional to 149,156.28, 223,816.41 and 70,268.49

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Solution

The fourth proportional to 149,156.28, 223,816.41 and 70,268.49 is: 105,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,156.28 : 223,816.41 = 70,268.49 : x
  2. Step 2: Convert to fraction form
    149,156.28/223,816.41 = 70,268.49/x
  3. Step 3: Cross multiply
    149,156.28x = 223,816.41 × 70,268.49
  4. Step 4: Simplify right side
    149,156.28x = 15,727,241,167.92
  5. Step 5: Solve for x
    x = 15,727,241,167.92/149,156.28
  6. Step 6: Final answer
    x = 105,441.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.