Home / 101,215.16-151,619.68-92,947.76

Finding the Fourth Proportional to 101,215.16, 151,619.68 and 92,947.76

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Solution

The fourth proportional to 101,215.16, 151,619.68 and 92,947.76 is: 139,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,215.16 : 151,619.68 = 92,947.76 : x
  2. Step 2: Convert to fraction form
    101,215.16/151,619.68 = 92,947.76/x
  3. Step 3: Cross multiply
    101,215.16x = 151,619.68 × 92,947.76
  4. Step 4: Simplify right side
    101,215.16x = 14,092,709,627.92
  5. Step 5: Solve for x
    x = 14,092,709,627.92/101,215.16
  6. Step 6: Final answer
    x = 139,235.17

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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.