Home / 229,151.84-343,683.20-115,269.28

Finding the Fourth Proportional to 229,151.84, 343,683.20 and 115,269.28

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Solution

The fourth proportional to 229,151.84, 343,683.20 and 115,269.28 is: 172,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,151.84 : 343,683.20 = 115,269.28 : x
  2. Step 2: Convert to fraction form
    229,151.84/343,683.20 = 115,269.28/x
  3. Step 3: Cross multiply
    229,151.84x = 343,683.20 × 115,269.28
  4. Step 4: Simplify right side
    229,151.84x = 39,616,114,441.06
  5. Step 5: Solve for x
    x = 39,616,114,441.06/229,151.84
  6. Step 6: Final answer
    x = 172,881.51

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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.