Home / 175,629.60-242,366.40-100,179.36

Finding the Fourth Proportional to 175,629.60, 242,366.40 and 100,179.36

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Solution

The fourth proportional to 175,629.60, 242,366.40 and 100,179.36 is: 138,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,629.60 : 242,366.40 = 100,179.36 : x
  2. Step 2: Convert to fraction form
    175,629.60/242,366.40 = 100,179.36/x
  3. Step 3: Cross multiply
    175,629.60x = 242,366.40 × 100,179.36
  4. Step 4: Simplify right side
    175,629.60x = 24,280,110,837.50
  5. Step 5: Solve for x
    x = 24,280,110,837.50/175,629.60
  6. Step 6: Final answer
    x = 138,246.12

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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.