Home / 142,832.90-214,256.18-117,826.58

Finding the Fourth Proportional to 142,832.90, 214,256.18 and 117,826.58

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Solution

The fourth proportional to 142,832.90, 214,256.18 and 117,826.58 is: 176,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832.90 : 214,256.18 = 117,826.58 : x
  2. Step 2: Convert to fraction form
    142,832.90/214,256.18 = 117,826.58/x
  3. Step 3: Cross multiply
    142,832.90x = 214,256.18 × 117,826.58
  4. Step 4: Simplify right side
    142,832.90x = 25,245,073,763.47
  5. Step 5: Solve for x
    x = 25,245,073,763.47/142,832.90
  6. Step 6: Final answer
    x = 176,745.51

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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.