Home / 166,905.50-230,329.59-99,837.50

Finding the Fourth Proportional to 166,905.50, 230,329.59 and 99,837.50

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Solution

The fourth proportional to 166,905.50, 230,329.59 and 99,837.50 is: 137,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,905.50 : 230,329.59 = 99,837.50 : x
  2. Step 2: Convert to fraction form
    166,905.50/230,329.59 = 99,837.50/x
  3. Step 3: Cross multiply
    166,905.50x = 230,329.59 × 99,837.50
  4. Step 4: Simplify right side
    166,905.50x = 22,995,530,441.63
  5. Step 5: Solve for x
    x = 22,995,530,441.63/166,905.50
  6. Step 6: Final answer
    x = 137,775.75

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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.