Home / 149,164.28-223,828.42-70,276.50

Finding the Fourth Proportional to 149,164.28, 223,828.42 and 70,276.50

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Solution

The fourth proportional to 149,164.28, 223,828.42 and 70,276.50 is: 105,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,164.28 : 223,828.42 = 70,276.50 : x
  2. Step 2: Convert to fraction form
    149,164.28/223,828.42 = 70,276.50/x
  3. Step 3: Cross multiply
    149,164.28x = 223,828.42 × 70,276.50
  4. Step 4: Simplify right side
    149,164.28x = 15,729,877,958.13
  5. Step 5: Solve for x
    x = 15,729,877,958.13/149,164.28
  6. Step 6: Final answer
    x = 105,453.38

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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.