Home / 112,146.87-154,757.48-64,366.59

Finding the Fourth Proportional to 112,146.87, 154,757.48 and 64,366.59

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Solution

The fourth proportional to 112,146.87, 154,757.48 and 64,366.59 is: 88,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146.87 : 154,757.48 = 64,366.59 : x
  2. Step 2: Convert to fraction form
    112,146.87/154,757.48 = 64,366.59/x
  3. Step 3: Cross multiply
    112,146.87x = 154,757.48 × 64,366.59
  4. Step 4: Simplify right side
    112,146.87x = 9,961,210,942.76
  5. Step 5: Solve for x
    x = 9,961,210,942.76/112,146.87
  6. Step 6: Final answer
    x = 88,822.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.