Home / 149,226.54-223,690.05-69,320.58

Finding the Fourth Proportional to 149,226.54, 223,690.05 and 69,320.58

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Solution

The fourth proportional to 149,226.54, 223,690.05 and 69,320.58 is: 103,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,226.54 : 223,690.05 = 69,320.58 : x
  2. Step 2: Convert to fraction form
    149,226.54/223,690.05 = 69,320.58/x
  3. Step 3: Cross multiply
    149,226.54x = 223,690.05 × 69,320.58
  4. Step 4: Simplify right side
    149,226.54x = 15,506,324,006.23
  5. Step 5: Solve for x
    x = 15,506,324,006.23/149,226.54
  6. Step 6: Final answer
    x = 103,911.30

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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.