Home / 195,431.40-293,244.30-77,106.60

Finding the Fourth Proportional to 195,431.40, 293,244.30 and 77,106.60

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Solution

The fourth proportional to 195,431.40, 293,244.30 and 77,106.60 is: 115,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,431.40 : 293,244.30 = 77,106.60 : x
  2. Step 2: Convert to fraction form
    195,431.40/293,244.30 = 77,106.60/x
  3. Step 3: Cross multiply
    195,431.40x = 293,244.30 × 77,106.60
  4. Step 4: Simplify right side
    195,431.40x = 22,611,070,942.38
  5. Step 5: Solve for x
    x = 22,611,070,942.38/195,431.40
  6. Step 6: Final answer
    x = 115,698.25

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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.