Home / 156,951.40-216,495.74-136,856.52

Finding the Fourth Proportional to 156,951.40, 216,495.74 and 136,856.52

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Solution

The fourth proportional to 156,951.40, 216,495.74 and 136,856.52 is: 188,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.40 : 216,495.74 = 136,856.52 : x
  2. Step 2: Convert to fraction form
    156,951.40/216,495.74 = 136,856.52/x
  3. Step 3: Cross multiply
    156,951.40x = 216,495.74 × 136,856.52
  4. Step 4: Simplify right side
    156,951.40x = 29,628,853,571.22
  5. Step 5: Solve for x
    x = 29,628,853,571.22/156,951.40
  6. Step 6: Final answer
    x = 188,777.25

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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.