Home / 281,585.32-422,289.63-92,002.49

Finding the Fourth Proportional to 281,585.32, 422,289.63 and 92,002.49

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Solution

The fourth proportional to 281,585.32, 422,289.63 and 92,002.49 is: 137,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,585.32 : 422,289.63 = 92,002.49 : x
  2. Step 2: Convert to fraction form
    281,585.32/422,289.63 = 92,002.49/x
  3. Step 3: Cross multiply
    281,585.32x = 422,289.63 × 92,002.49
  4. Step 4: Simplify right side
    281,585.32x = 38,851,697,461.18
  5. Step 5: Solve for x
    x = 38,851,697,461.18/281,585.32
  6. Step 6: Final answer
    x = 137,974.87

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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.