Home / 112,578.18-169,060.46-99,956.46

Finding the Fourth Proportional to 112,578.18, 169,060.46 and 99,956.46

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Solution

The fourth proportional to 112,578.18, 169,060.46 and 99,956.46 is: 150,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,578.18 : 169,060.46 = 99,956.46 : x
  2. Step 2: Convert to fraction form
    112,578.18/169,060.46 = 99,956.46/x
  3. Step 3: Cross multiply
    112,578.18x = 169,060.46 × 99,956.46
  4. Step 4: Simplify right side
    112,578.18x = 16,898,685,107.57
  5. Step 5: Solve for x
    x = 16,898,685,107.57/112,578.18
  6. Step 6: Final answer
    x = 150,106.22

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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.