Home / 132,181.24-198,303.06-43,435

Finding the Fourth Proportional to 132,181.24, 198,303.06 and 43,435

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Solution

The fourth proportional to 132,181.24, 198,303.06 and 43,435 is: 65,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.24 : 198,303.06 = 43,435 : x
  2. Step 2: Convert to fraction form
    132,181.24/198,303.06 = 43,435/x
  3. Step 3: Cross multiply
    132,181.24x = 198,303.06 × 43,435
  4. Step 4: Simplify right side
    132,181.24x = 8,613,293,411.10
  5. Step 5: Solve for x
    x = 8,613,293,411.10/132,181.24
  6. Step 6: Final answer
    x = 65,162.75

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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.