Home / 166,810.84-230,255.11-101,399.45

Finding the Fourth Proportional to 166,810.84, 230,255.11 and 101,399.45

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Solution

The fourth proportional to 166,810.84, 230,255.11 and 101,399.45 is: 139,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,810.84 : 230,255.11 = 101,399.45 : x
  2. Step 2: Convert to fraction form
    166,810.84/230,255.11 = 101,399.45/x
  3. Step 3: Cross multiply
    166,810.84x = 230,255.11 × 101,399.45
  4. Step 4: Simplify right side
    166,810.84x = 23,347,739,918.79
  5. Step 5: Solve for x
    x = 23,347,739,918.79/166,810.84
  6. Step 6: Final answer
    x = 139,965.36

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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.