Home / 104,523.72-144,177.67-87,016.38

Finding the Fourth Proportional to 104,523.72, 144,177.67 and 87,016.38

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Solution

The fourth proportional to 104,523.72, 144,177.67 and 87,016.38 is: 120,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,523.72 : 144,177.67 = 87,016.38 : x
  2. Step 2: Convert to fraction form
    104,523.72/144,177.67 = 87,016.38/x
  3. Step 3: Cross multiply
    104,523.72x = 144,177.67 × 87,016.38
  4. Step 4: Simplify right side
    104,523.72x = 12,545,818,488.34
  5. Step 5: Solve for x
    x = 12,545,818,488.34/104,523.72
  6. Step 6: Final answer
    x = 120,028.44

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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.