Home / 149,333.87-223,923.04-70,426.91

Finding the Fourth Proportional to 149,333.87, 223,923.04 and 70,426.91

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Solution

The fourth proportional to 149,333.87, 223,923.04 and 70,426.91 is: 105,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,333.87 : 223,923.04 = 70,426.91 : x
  2. Step 2: Convert to fraction form
    149,333.87/223,923.04 = 70,426.91/x
  3. Step 3: Cross multiply
    149,333.87x = 223,923.04 × 70,426.91
  4. Step 4: Simplify right side
    149,333.87x = 15,770,207,785.01
  5. Step 5: Solve for x
    x = 15,770,207,785.01/149,333.87
  6. Step 6: Final answer
    x = 105,603.69

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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.