Home / 343,276.14-515,021.73-153,895.32

Finding the Fourth Proportional to 343,276.14, 515,021.73 and 153,895.32

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Solution

The fourth proportional to 343,276.14, 515,021.73 and 153,895.32 is: 230,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,276.14 : 515,021.73 = 153,895.32 : x
  2. Step 2: Convert to fraction form
    343,276.14/515,021.73 = 153,895.32/x
  3. Step 3: Cross multiply
    343,276.14x = 515,021.73 × 153,895.32
  4. Step 4: Simplify right side
    343,276.14x = 79,259,433,945.30
  5. Step 5: Solve for x
    x = 79,259,433,945.30/343,276.14
  6. Step 6: Final answer
    x = 230,891.18

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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.