Home / 193,682.20-290,411.48-75,215.24

Finding the Fourth Proportional to 193,682.20, 290,411.48 and 75,215.24

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Solution

The fourth proportional to 193,682.20, 290,411.48 and 75,215.24 is: 112,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,682.20 : 290,411.48 = 75,215.24 : x
  2. Step 2: Convert to fraction form
    193,682.20/290,411.48 = 75,215.24/x
  3. Step 3: Cross multiply
    193,682.20x = 290,411.48 × 75,215.24
  4. Step 4: Simplify right side
    193,682.20x = 21,843,369,166.96
  5. Step 5: Solve for x
    x = 21,843,369,166.96/193,682.20
  6. Step 6: Final answer
    x = 112,779.44

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1.5x scale

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.