Home / 112,157.18-168,235.46-27,915.78

Finding the Fourth Proportional to 112,157.18, 168,235.46 and 27,915.78

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Solution

The fourth proportional to 112,157.18, 168,235.46 and 27,915.78 is: 41,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.18 : 168,235.46 = 27,915.78 : x
  2. Step 2: Convert to fraction form
    112,157.18/168,235.46 = 27,915.78/x
  3. Step 3: Cross multiply
    112,157.18x = 168,235.46 × 27,915.78
  4. Step 4: Simplify right side
    112,157.18x = 4,696,424,089.56
  5. Step 5: Solve for x
    x = 4,696,424,089.56/112,157.18
  6. Step 6: Final answer
    x = 41,873.59

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1.5x scale

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.