Home / 148,995.45-223,361.96-70,205.13

Finding the Fourth Proportional to 148,995.45, 223,361.96 and 70,205.13

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Solution

The fourth proportional to 148,995.45, 223,361.96 and 70,205.13 is: 105,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,995.45 : 223,361.96 = 70,205.13 : x
  2. Step 2: Convert to fraction form
    148,995.45/223,361.96 = 70,205.13/x
  3. Step 3: Cross multiply
    148,995.45x = 223,361.96 × 70,205.13
  4. Step 4: Simplify right side
    148,995.45x = 15,681,155,087.83
  5. Step 5: Solve for x
    x = 15,681,155,087.83/148,995.45
  6. Step 6: Final answer
    x = 105,245.87

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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.