Home / 106,153.38-159,238.74-30,257.76

Finding the Fourth Proportional to 106,153.38, 159,238.74 and 30,257.76

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Solution

The fourth proportional to 106,153.38, 159,238.74 and 30,257.76 is: 45,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,153.38 : 159,238.74 = 30,257.76 : x
  2. Step 2: Convert to fraction form
    106,153.38/159,238.74 = 30,257.76/x
  3. Step 3: Cross multiply
    106,153.38x = 159,238.74 × 30,257.76
  4. Step 4: Simplify right side
    106,153.38x = 4,818,208,288.23
  5. Step 5: Solve for x
    x = 4,818,208,288.23/106,153.38
  6. Step 6: Final answer
    x = 45,389.12

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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.