Home / 166,776.24-230,151-91,325.04

Finding the Fourth Proportional to 166,776.24, 230,151 and 91,325.04

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Solution

The fourth proportional to 166,776.24, 230,151 and 91,325.04 is: 126,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,776.24 : 230,151 = 91,325.04 : x
  2. Step 2: Convert to fraction form
    166,776.24/230,151 = 91,325.04/x
  3. Step 3: Cross multiply
    166,776.24x = 230,151 × 91,325.04
  4. Step 4: Simplify right side
    166,776.24x = 21,018,549,281.04
  5. Step 5: Solve for x
    x = 21,018,549,281.04/166,776.24
  6. Step 6: Final answer
    x = 126,028.44

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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.