Home / 112,152.68-168,179.79-41,982.78

Finding the Fourth Proportional to 112,152.68, 168,179.79 and 41,982.78

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Solution

The fourth proportional to 112,152.68, 168,179.79 and 41,982.78 is: 62,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,152.68 : 168,179.79 = 41,982.78 : x
  2. Step 2: Convert to fraction form
    112,152.68/168,179.79 = 41,982.78/x
  3. Step 3: Cross multiply
    112,152.68x = 168,179.79 × 41,982.78
  4. Step 4: Simplify right side
    112,152.68x = 7,060,655,124.02
  5. Step 5: Solve for x
    x = 7,060,655,124.02/112,152.68
  6. Step 6: Final answer
    x = 62,955.74

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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.