Home / 195,943.51-270,384.72-108,730.81

Finding the Fourth Proportional to 195,943.51, 270,384.72 and 108,730.81

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Solution

The fourth proportional to 195,943.51, 270,384.72 and 108,730.81 is: 150,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,943.51 : 270,384.72 = 108,730.81 : x
  2. Step 2: Convert to fraction form
    195,943.51/270,384.72 = 108,730.81/x
  3. Step 3: Cross multiply
    195,943.51x = 270,384.72 × 108,730.81
  4. Step 4: Simplify right side
    195,943.51x = 29,399,149,617.22
  5. Step 5: Solve for x
    x = 29,399,149,617.22/195,943.51
  6. Step 6: Final answer
    x = 150,038.90

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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.