Home / 167,400.43-251,036.38-71,276.70

Finding the Fourth Proportional to 167,400.43, 251,036.38 and 71,276.70

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Solution

The fourth proportional to 167,400.43, 251,036.38 and 71,276.70 is: 106,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,400.43 : 251,036.38 = 71,276.70 : x
  2. Step 2: Convert to fraction form
    167,400.43/251,036.38 = 71,276.70/x
  3. Step 3: Cross multiply
    167,400.43x = 251,036.38 × 71,276.70
  4. Step 4: Simplify right side
    167,400.43x = 17,893,044,746.35
  5. Step 5: Solve for x
    x = 17,893,044,746.35/167,400.43
  6. Step 6: Final answer
    x = 106,887.69

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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.