Home / 188,298.16-282,408.92-55,142.64

Finding the Fourth Proportional to 188,298.16, 282,408.92 and 55,142.64

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Solution

The fourth proportional to 188,298.16, 282,408.92 and 55,142.64 is: 82,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,298.16 : 282,408.92 = 55,142.64 : x
  2. Step 2: Convert to fraction form
    188,298.16/282,408.92 = 55,142.64/x
  3. Step 3: Cross multiply
    188,298.16x = 282,408.92 × 55,142.64
  4. Step 4: Simplify right side
    188,298.16x = 15,572,773,408.35
  5. Step 5: Solve for x
    x = 15,572,773,408.35/188,298.16
  6. Step 6: Final answer
    x = 82,702.74

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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.