Home / 172,649.15-238,292.58-116,027.72

Finding the Fourth Proportional to 172,649.15, 238,292.58 and 116,027.72

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Solution

The fourth proportional to 172,649.15, 238,292.58 and 116,027.72 is: 160,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649.15 : 238,292.58 = 116,027.72 : x
  2. Step 2: Convert to fraction form
    172,649.15/238,292.58 = 116,027.72/x
  3. Step 3: Cross multiply
    172,649.15x = 238,292.58 × 116,027.72
  4. Step 4: Simplify right side
    172,649.15x = 27,648,544,750.32
  5. Step 5: Solve for x
    x = 27,648,544,750.32/172,649.15
  6. Step 6: Final answer
    x = 160,142.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.