Home / 112,592.46-155,403.54-74,359.56

Finding the Fourth Proportional to 112,592.46, 155,403.54 and 74,359.56

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Solution

The fourth proportional to 112,592.46, 155,403.54 and 74,359.56 is: 102,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,592.46 : 155,403.54 = 74,359.56 : x
  2. Step 2: Convert to fraction form
    112,592.46/155,403.54 = 74,359.56/x
  3. Step 3: Cross multiply
    112,592.46x = 155,403.54 × 74,359.56
  4. Step 4: Simplify right side
    112,592.46x = 11,555,738,856.84
  5. Step 5: Solve for x
    x = 11,555,738,856.84/112,592.46
  6. Step 6: Final answer
    x = 102,633.33

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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.