Home / 106,758.72-160,241.76-77,365.44

Finding the Fourth Proportional to 106,758.72, 160,241.76 and 77,365.44

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Solution

The fourth proportional to 106,758.72, 160,241.76 and 77,365.44 is: 116,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,758.72 : 160,241.76 = 77,365.44 : x
  2. Step 2: Convert to fraction form
    106,758.72/160,241.76 = 77,365.44/x
  3. Step 3: Cross multiply
    106,758.72x = 160,241.76 × 77,365.44
  4. Step 4: Simplify right side
    106,758.72x = 12,397,174,268.77
  5. Step 5: Solve for x
    x = 12,397,174,268.77/106,758.72
  6. Step 6: Final answer
    x = 116,123.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.