Home / 151,203.72-226,656.87-72,299.49

Finding the Fourth Proportional to 151,203.72, 226,656.87 and 72,299.49

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Solution

The fourth proportional to 151,203.72, 226,656.87 and 72,299.49 is: 108,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,203.72 : 226,656.87 = 72,299.49 : x
  2. Step 2: Convert to fraction form
    151,203.72/226,656.87 = 72,299.49/x
  3. Step 3: Cross multiply
    151,203.72x = 226,656.87 × 72,299.49
  4. Step 4: Simplify right side
    151,203.72x = 16,387,176,106.00
  5. Step 5: Solve for x
    x = 16,387,176,106.00/151,203.72
  6. Step 6: Final answer
    x = 108,378.13

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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.