Home / 194,634.40-292,081.20-89,399.20

Finding the Fourth Proportional to 194,634.40, 292,081.20 and 89,399.20

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Solution

The fourth proportional to 194,634.40, 292,081.20 and 89,399.20 is: 134,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,634.40 : 292,081.20 = 89,399.20 : x
  2. Step 2: Convert to fraction form
    194,634.40/292,081.20 = 89,399.20/x
  3. Step 3: Cross multiply
    194,634.40x = 292,081.20 × 89,399.20
  4. Step 4: Simplify right side
    194,634.40x = 26,111,825,615.04
  5. Step 5: Solve for x
    x = 26,111,825,615.04/194,634.40
  6. Step 6: Final answer
    x = 134,158.33

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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.