Home / 228,620.11-343,142.93-116,384.35

Finding the Fourth Proportional to 228,620.11, 343,142.93 and 116,384.35

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Solution

The fourth proportional to 228,620.11, 343,142.93 and 116,384.35 is: 174,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,620.11 : 343,142.93 = 116,384.35 : x
  2. Step 2: Convert to fraction form
    228,620.11/343,142.93 = 116,384.35/x
  3. Step 3: Cross multiply
    228,620.11x = 343,142.93 × 116,384.35
  4. Step 4: Simplify right side
    228,620.11x = 39,936,466,298.25
  5. Step 5: Solve for x
    x = 39,936,466,298.25/228,620.11
  6. Step 6: Final answer
    x = 174,684.84

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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.