Home / 276,261.40-414,246.30-98,774.20

Finding the Fourth Proportional to 276,261.40, 414,246.30 and 98,774.20

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Solution

The fourth proportional to 276,261.40, 414,246.30 and 98,774.20 is: 148,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,261.40 : 414,246.30 = 98,774.20 : x
  2. Step 2: Convert to fraction form
    276,261.40/414,246.30 = 98,774.20/x
  3. Step 3: Cross multiply
    276,261.40x = 414,246.30 × 98,774.20
  4. Step 4: Simplify right side
    276,261.40x = 40,916,846,885.46
  5. Step 5: Solve for x
    x = 40,916,846,885.46/276,261.40
  6. Step 6: Final answer
    x = 148,109.17

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1.5x scale

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.