Home / 162,712.26-243,135.72-124,029.90

Finding the Fourth Proportional to 162,712.26, 243,135.72 and 124,029.90

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Solution

The fourth proportional to 162,712.26, 243,135.72 and 124,029.90 is: 185,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,712.26 : 243,135.72 = 124,029.90 : x
  2. Step 2: Convert to fraction form
    162,712.26/243,135.72 = 124,029.90/x
  3. Step 3: Cross multiply
    162,712.26x = 243,135.72 × 124,029.90
  4. Step 4: Simplify right side
    162,712.26x = 30,156,099,038.03
  5. Step 5: Solve for x
    x = 30,156,099,038.03/162,712.26
  6. Step 6: Final answer
    x = 185,333.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.