Home / 228,621.29-343,144.71-116,385.53

Finding the Fourth Proportional to 228,621.29, 343,144.71 and 116,385.53

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Solution

The fourth proportional to 228,621.29, 343,144.71 and 116,385.53 is: 174,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,621.29 : 343,144.71 = 116,385.53 : x
  2. Step 2: Convert to fraction form
    228,621.29/343,144.71 = 116,385.53/x
  3. Step 3: Cross multiply
    228,621.29x = 343,144.71 × 116,385.53
  4. Step 4: Simplify right side
    228,621.29x = 39,937,077,224.32
  5. Step 5: Solve for x
    x = 39,937,077,224.32/228,621.29
  6. Step 6: Final answer
    x = 174,686.61

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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.