Home / 248,628.96-343,174.32-153,151.20

Finding the Fourth Proportional to 248,628.96, 343,174.32 and 153,151.20

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Solution

The fourth proportional to 248,628.96, 343,174.32 and 153,151.20 is: 211,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,628.96 : 343,174.32 = 153,151.20 : x
  2. Step 2: Convert to fraction form
    248,628.96/343,174.32 = 153,151.20/x
  3. Step 3: Cross multiply
    248,628.96x = 343,174.32 × 153,151.20
  4. Step 4: Simplify right side
    248,628.96x = 52,557,558,917.18
  5. Step 5: Solve for x
    x = 52,557,558,917.18/248,628.96
  6. Step 6: Final answer
    x = 211,389.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.