Home / 151,156.24-226,637.16-72,268.72

Finding the Fourth Proportional to 151,156.24, 226,637.16 and 72,268.72

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Solution

The fourth proportional to 151,156.24, 226,637.16 and 72,268.72 is: 108,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,156.24 : 226,637.16 = 72,268.72 : x
  2. Step 2: Convert to fraction form
    151,156.24/226,637.16 = 72,268.72/x
  3. Step 3: Cross multiply
    151,156.24x = 226,637.16 × 72,268.72
  4. Step 4: Simplify right side
    151,156.24x = 16,378,777,457.64
  5. Step 5: Solve for x
    x = 16,378,777,457.64/151,156.24
  6. Step 6: Final answer
    x = 108,356.61

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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.