Home / 132,416.10-198,649.74-56,513.54

Finding the Fourth Proportional to 132,416.10, 198,649.74 and 56,513.54

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Solution

The fourth proportional to 132,416.10, 198,649.74 and 56,513.54 is: 84,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416.10 : 198,649.74 = 56,513.54 : x
  2. Step 2: Convert to fraction form
    132,416.10/198,649.74 = 56,513.54/x
  3. Step 3: Cross multiply
    132,416.10x = 198,649.74 × 56,513.54
  4. Step 4: Simplify right side
    132,416.10x = 11,226,399,034.23
  5. Step 5: Solve for x
    x = 11,226,399,034.23/132,416.10
  6. Step 6: Final answer
    x = 84,781.22

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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.