Home / 118,841.96-164,001.78-71,106.52

Finding the Fourth Proportional to 118,841.96, 164,001.78 and 71,106.52

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Solution

The fourth proportional to 118,841.96, 164,001.78 and 71,106.52 is: 98,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,841.96 : 164,001.78 = 71,106.52 : x
  2. Step 2: Convert to fraction form
    118,841.96/164,001.78 = 71,106.52/x
  3. Step 3: Cross multiply
    118,841.96x = 164,001.78 × 71,106.52
  4. Step 4: Simplify right side
    118,841.96x = 11,661,595,849.61
  5. Step 5: Solve for x
    x = 11,661,595,849.61/118,841.96
  6. Step 6: Final answer
    x = 98,126.92

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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.