Home / 167,352.41-230,913.83-99,390.70

Finding the Fourth Proportional to 167,352.41, 230,913.83 and 99,390.70

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Solution

The fourth proportional to 167,352.41, 230,913.83 and 99,390.70 is: 137,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,352.41 : 230,913.83 = 99,390.70 : x
  2. Step 2: Convert to fraction form
    167,352.41/230,913.83 = 99,390.70/x
  3. Step 3: Cross multiply
    167,352.41x = 230,913.83 × 99,390.70
  4. Step 4: Simplify right side
    167,352.41x = 22,950,686,716.94
  5. Step 5: Solve for x
    x = 22,950,686,716.94/167,352.41
  6. Step 6: Final answer
    x = 137,139.87

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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.