Home / 149,335.87-223,926.03-70,428.91

Finding the Fourth Proportional to 149,335.87, 223,926.03 and 70,428.91

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Solution

The fourth proportional to 149,335.87, 223,926.03 and 70,428.91 is: 105,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,335.87 : 223,926.03 = 70,428.91 : x
  2. Step 2: Convert to fraction form
    149,335.87/223,926.03 = 70,428.91/x
  3. Step 3: Cross multiply
    149,335.87x = 223,926.03 × 70,428.91
  4. Step 4: Simplify right side
    149,335.87x = 15,770,866,213.53
  5. Step 5: Solve for x
    x = 15,770,866,213.53/149,335.87
  6. Step 6: Final answer
    x = 105,606.69

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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.