Home / 114,869.10-158,596.74-102,731.80

Finding the Fourth Proportional to 114,869.10, 158,596.74 and 102,731.80

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Solution

The fourth proportional to 114,869.10, 158,596.74 and 102,731.80 is: 141,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,869.10 : 158,596.74 = 102,731.80 : x
  2. Step 2: Convert to fraction form
    114,869.10/158,596.74 = 102,731.80/x
  3. Step 3: Cross multiply
    114,869.10x = 158,596.74 × 102,731.80
  4. Step 4: Simplify right side
    114,869.10x = 16,292,928,574.33
  5. Step 5: Solve for x
    x = 16,292,928,574.33/114,869.10
  6. Step 6: Final answer
    x = 141,839.09

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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.