Home / 156,944.30-235,070.85-139,433.90

Finding the Fourth Proportional to 156,944.30, 235,070.85 and 139,433.90

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Solution

The fourth proportional to 156,944.30, 235,070.85 and 139,433.90 is: 208,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,944.30 : 235,070.85 = 139,433.90 : x
  2. Step 2: Convert to fraction form
    156,944.30/235,070.85 = 139,433.90/x
  3. Step 3: Cross multiply
    156,944.30x = 235,070.85 × 139,433.90
  4. Step 4: Simplify right side
    156,944.30x = 32,776,845,391.82
  5. Step 5: Solve for x
    x = 32,776,845,391.82/156,944.30
  6. Step 6: Final answer
    x = 208,843.81

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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.