Home / 169,116.48-233,139.60-121,354.56

Finding the Fourth Proportional to 169,116.48, 233,139.60 and 121,354.56

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Solution

The fourth proportional to 169,116.48, 233,139.60 and 121,354.56 is: 167,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,116.48 : 233,139.60 = 121,354.56 : x
  2. Step 2: Convert to fraction form
    169,116.48/233,139.60 = 121,354.56/x
  3. Step 3: Cross multiply
    169,116.48x = 233,139.60 × 121,354.56
  4. Step 4: Simplify right side
    169,116.48x = 28,292,553,576.58
  5. Step 5: Solve for x
    x = 28,292,553,576.58/169,116.48
  6. Step 6: Final answer
    x = 167,296.25

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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.