Home / 156,734.82-216,360.26-105,816.52

Finding the Fourth Proportional to 156,734.82, 216,360.26 and 105,816.52

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Solution

The fourth proportional to 156,734.82, 216,360.26 and 105,816.52 is: 146,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734.82 : 216,360.26 = 105,816.52 : x
  2. Step 2: Convert to fraction form
    156,734.82/216,360.26 = 105,816.52/x
  3. Step 3: Cross multiply
    156,734.82x = 216,360.26 × 105,816.52
  4. Step 4: Simplify right side
    156,734.82x = 22,894,489,238.59
  5. Step 5: Solve for x
    x = 22,894,489,238.59/156,734.82
  6. Step 6: Final answer
    x = 146,071.50

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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.