Home / 151,156.74-226,637.91-72,269.22

Finding the Fourth Proportional to 151,156.74, 226,637.91 and 72,269.22

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Solution

The fourth proportional to 151,156.74, 226,637.91 and 72,269.22 is: 108,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,156.74 : 226,637.91 = 72,269.22 : x
  2. Step 2: Convert to fraction form
    151,156.74/226,637.91 = 72,269.22/x
  3. Step 3: Cross multiply
    151,156.74x = 226,637.91 × 72,269.22
  4. Step 4: Simplify right side
    151,156.74x = 16,378,944,978.13
  5. Step 5: Solve for x
    x = 16,378,944,978.13/151,156.74
  6. Step 6: Final answer
    x = 108,357.36

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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.