Home / 166,688.64-230,035.86-91,237.14

Finding the Fourth Proportional to 166,688.64, 230,035.86 and 91,237.14

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Solution

The fourth proportional to 166,688.64, 230,035.86 and 91,237.14 is: 125,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,688.64 : 230,035.86 = 91,237.14 : x
  2. Step 2: Convert to fraction form
    166,688.64/230,035.86 = 91,237.14/x
  3. Step 3: Cross multiply
    166,688.64x = 230,035.86 × 91,237.14
  4. Step 4: Simplify right side
    166,688.64x = 20,987,813,963.84
  5. Step 5: Solve for x
    x = 20,987,813,963.84/166,688.64
  6. Step 6: Final answer
    x = 125,910.28

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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.