Home / 169,972.70-234,423.51-118,967.90

Finding the Fourth Proportional to 169,972.70, 234,423.51 and 118,967.90

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Solution

The fourth proportional to 169,972.70, 234,423.51 and 118,967.90 is: 164,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972.70 : 234,423.51 = 118,967.90 : x
  2. Step 2: Convert to fraction form
    169,972.70/234,423.51 = 118,967.90/x
  3. Step 3: Cross multiply
    169,972.70x = 234,423.51 × 118,967.90
  4. Step 4: Simplify right side
    169,972.70x = 27,888,872,695.33
  5. Step 5: Solve for x
    x = 27,888,872,695.33/169,972.70
  6. Step 6: Final answer
    x = 164,078.54

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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.