Home / 167,340.50-230,931.51-91,890.62

Finding the Fourth Proportional to 167,340.50, 230,931.51 and 91,890.62

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Solution

The fourth proportional to 167,340.50, 230,931.51 and 91,890.62 is: 126,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,340.50 : 230,931.51 = 91,890.62 : x
  2. Step 2: Convert to fraction form
    167,340.50/230,931.51 = 91,890.62/x
  3. Step 3: Cross multiply
    167,340.50x = 230,931.51 × 91,890.62
  4. Step 4: Simplify right side
    167,340.50x = 21,220,439,631.44
  5. Step 5: Solve for x
    x = 21,220,439,631.44/167,340.50
  6. Step 6: Final answer
    x = 126,809.95

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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.