Home / 169,156.48-233,194.80-121,394.56

Finding the Fourth Proportional to 169,156.48, 233,194.80 and 121,394.56

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Solution

The fourth proportional to 169,156.48, 233,194.80 and 121,394.56 is: 167,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,156.48 : 233,194.80 = 121,394.56 : x
  2. Step 2: Convert to fraction form
    169,156.48/233,194.80 = 121,394.56/x
  3. Step 3: Cross multiply
    169,156.48x = 233,194.80 × 121,394.56
  4. Step 4: Simplify right side
    169,156.48x = 28,308,580,140.29
  5. Step 5: Solve for x
    x = 28,308,580,140.29/169,156.48
  6. Step 6: Final answer
    x = 167,351.44

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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.