Home / 175,032.30-262,246.05-81,345.90

Finding the Fourth Proportional to 175,032.30, 262,246.05 and 81,345.90

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Solution

The fourth proportional to 175,032.30, 262,246.05 and 81,345.90 is: 121,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,032.30 : 262,246.05 = 81,345.90 : x
  2. Step 2: Convert to fraction form
    175,032.30/262,246.05 = 81,345.90/x
  3. Step 3: Cross multiply
    175,032.30x = 262,246.05 × 81,345.90
  4. Step 4: Simplify right side
    175,032.30x = 21,332,640,958.70
  5. Step 5: Solve for x
    x = 21,332,640,958.70/175,032.30
  6. Step 6: Final answer
    x = 121,878.31

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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.