Home / 166,767.93-230,142.47-91,311.57

Finding the Fourth Proportional to 166,767.93, 230,142.47 and 91,311.57

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Solution

The fourth proportional to 166,767.93, 230,142.47 and 91,311.57 is: 126,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,767.93 : 230,142.47 = 91,311.57 : x
  2. Step 2: Convert to fraction form
    166,767.93/230,142.47 = 91,311.57/x
  3. Step 3: Cross multiply
    166,767.93x = 230,142.47 × 91,311.57
  4. Step 4: Simplify right side
    166,767.93x = 21,014,669,802.82
  5. Step 5: Solve for x
    x = 21,014,669,802.82/166,767.93
  6. Step 6: Final answer
    x = 126,011.46

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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.