Home / 169,315.70-233,481.32-118,309.86

Finding the Fourth Proportional to 169,315.70, 233,481.32 and 118,309.86

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Solution

The fourth proportional to 169,315.70, 233,481.32 and 118,309.86 is: 163,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,315.70 : 233,481.32 = 118,309.86 : x
  2. Step 2: Convert to fraction form
    169,315.70/233,481.32 = 118,309.86/x
  3. Step 3: Cross multiply
    169,315.70x = 233,481.32 × 118,309.86
  4. Step 4: Simplify right side
    169,315.70x = 27,623,142,281.82
  5. Step 5: Solve for x
    x = 27,623,142,281.82/169,315.70
  6. Step 6: Final answer
    x = 163,145.78

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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.