Home / 112,375.06-155,082.28-64,628.44

Finding the Fourth Proportional to 112,375.06, 155,082.28 and 64,628.44

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Solution

The fourth proportional to 112,375.06, 155,082.28 and 64,628.44 is: 89,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,375.06 : 155,082.28 = 64,628.44 : x
  2. Step 2: Convert to fraction form
    112,375.06/155,082.28 = 64,628.44/x
  3. Step 3: Cross multiply
    112,375.06x = 155,082.28 × 64,628.44
  4. Step 4: Simplify right side
    112,375.06x = 10,022,725,828.04
  5. Step 5: Solve for x
    x = 10,022,725,828.04/112,375.06
  6. Step 6: Final answer
    x = 89,189.95

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1.5x scale

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.