Home / 343,914.12-515,695.56-202,036.50

Finding the Fourth Proportional to 343,914.12, 515,695.56 and 202,036.50

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Solution

The fourth proportional to 343,914.12, 515,695.56 and 202,036.50 is: 302,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,914.12 : 515,695.56 = 202,036.50 : x
  2. Step 2: Convert to fraction form
    343,914.12/515,695.56 = 202,036.50/x
  3. Step 3: Cross multiply
    343,914.12x = 515,695.56 × 202,036.50
  4. Step 4: Simplify right side
    343,914.12x = 104,189,326,007.94
  5. Step 5: Solve for x
    x = 104,189,326,007.94/343,914.12
  6. Step 6: Final answer
    x = 302,951.58

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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.