Home / 276,328.12-414,492.20-98,824.36

Finding the Fourth Proportional to 276,328.12, 414,492.20 and 98,824.36

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Solution

The fourth proportional to 276,328.12, 414,492.20 and 98,824.36 is: 148,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,328.12 : 414,492.20 = 98,824.36 : x
  2. Step 2: Convert to fraction form
    276,328.12/414,492.20 = 98,824.36/x
  3. Step 3: Cross multiply
    276,328.12x = 414,492.20 × 98,824.36
  4. Step 4: Simplify right side
    276,328.12x = 40,961,926,389.99
  5. Step 5: Solve for x
    x = 40,961,926,389.99/276,328.12
  6. Step 6: Final answer
    x = 148,236.55

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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.