Home / 190,964.40-286,452.24-91,135.20

Finding the Fourth Proportional to 190,964.40, 286,452.24 and 91,135.20

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Solution

The fourth proportional to 190,964.40, 286,452.24 and 91,135.20 is: 136,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,964.40 : 286,452.24 = 91,135.20 : x
  2. Step 2: Convert to fraction form
    190,964.40/286,452.24 = 91,135.20/x
  3. Step 3: Cross multiply
    190,964.40x = 286,452.24 × 91,135.20
  4. Step 4: Simplify right side
    190,964.40x = 26,105,882,182.85
  5. Step 5: Solve for x
    x = 26,105,882,182.85/190,964.40
  6. Step 6: Final answer
    x = 136,705.49

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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.