Home / 228,435.83-342,279.22-161,756.26

Finding the Fourth Proportional to 228,435.83, 342,279.22 and 161,756.26

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Solution

The fourth proportional to 228,435.83, 342,279.22 and 161,756.26 is: 242,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,435.83 : 342,279.22 = 161,756.26 : x
  2. Step 2: Convert to fraction form
    228,435.83/342,279.22 = 161,756.26/x
  3. Step 3: Cross multiply
    228,435.83x = 342,279.22 × 161,756.26
  4. Step 4: Simplify right side
    228,435.83x = 55,365,806,502.92
  5. Step 5: Solve for x
    x = 55,365,806,502.92/228,435.83
  6. Step 6: Final answer
    x = 242,369.19

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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.