Home / 117,138.76-175,725.31-37,150.05

Finding the Fourth Proportional to 117,138.76, 175,725.31 and 37,150.05

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Solution

The fourth proportional to 117,138.76, 175,725.31 and 37,150.05 is: 55,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,138.76 : 175,725.31 = 37,150.05 : x
  2. Step 2: Convert to fraction form
    117,138.76/175,725.31 = 37,150.05/x
  3. Step 3: Cross multiply
    117,138.76x = 175,725.31 × 37,150.05
  4. Step 4: Simplify right side
    117,138.76x = 6,528,203,700.06
  5. Step 5: Solve for x
    x = 6,528,203,700.06/117,138.76
  6. Step 6: Final answer
    x = 55,730.52

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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.