Home / 106,246.20-159,369.30-72,566.40

Finding the Fourth Proportional to 106,246.20, 159,369.30 and 72,566.40

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Solution

The fourth proportional to 106,246.20, 159,369.30 and 72,566.40 is: 108,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,246.20 : 159,369.30 = 72,566.40 : x
  2. Step 2: Convert to fraction form
    106,246.20/159,369.30 = 72,566.40/x
  3. Step 3: Cross multiply
    106,246.20x = 159,369.30 × 72,566.40
  4. Step 4: Simplify right side
    106,246.20x = 11,564,856,371.52
  5. Step 5: Solve for x
    x = 11,564,856,371.52/106,246.20
  6. Step 6: Final answer
    x = 108,849.60

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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.