Home / 112,167.23-154,475.82-109,717.79

Finding the Fourth Proportional to 112,167.23, 154,475.82 and 109,717.79

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Solution

The fourth proportional to 112,167.23, 154,475.82 and 109,717.79 is: 151,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,167.23 : 154,475.82 = 109,717.79 : x
  2. Step 2: Convert to fraction form
    112,167.23/154,475.82 = 109,717.79/x
  3. Step 3: Cross multiply
    112,167.23x = 154,475.82 × 109,717.79
  4. Step 4: Simplify right side
    112,167.23x = 16,948,744,806.46
  5. Step 5: Solve for x
    x = 16,948,744,806.46/112,167.23
  6. Step 6: Final answer
    x = 151,102.47

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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.