Home / 196,170.05-294,050.94-90,902.45

Finding the Fourth Proportional to 196,170.05, 294,050.94 and 90,902.45

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Solution

The fourth proportional to 196,170.05, 294,050.94 and 90,902.45 is: 136,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,170.05 : 294,050.94 = 90,902.45 : x
  2. Step 2: Convert to fraction form
    196,170.05/294,050.94 = 90,902.45/x
  3. Step 3: Cross multiply
    196,170.05x = 294,050.94 × 90,902.45
  4. Step 4: Simplify right side
    196,170.05x = 26,729,950,870.80
  5. Step 5: Solve for x
    x = 26,729,950,870.80/196,170.05
  6. Step 6: Final answer
    x = 136,259.08

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1.5x scale

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.