Home / 166,984.32-230,436.60-91,532.40

Finding the Fourth Proportional to 166,984.32, 230,436.60 and 91,532.40

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Solution

The fourth proportional to 166,984.32, 230,436.60 and 91,532.40 is: 126,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,984.32 : 230,436.60 = 91,532.40 : x
  2. Step 2: Convert to fraction form
    166,984.32/230,436.60 = 91,532.40/x
  3. Step 3: Cross multiply
    166,984.32x = 230,436.60 × 91,532.40
  4. Step 4: Simplify right side
    166,984.32x = 21,092,415,045.84
  5. Step 5: Solve for x
    x = 21,092,415,045.84/166,984.32
  6. Step 6: Final answer
    x = 126,313.75

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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.