Home / 156,746.06-216,375.75-105,827.75

Finding the Fourth Proportional to 156,746.06, 216,375.75 and 105,827.75

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Solution

The fourth proportional to 156,746.06, 216,375.75 and 105,827.75 is: 146,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.06 : 216,375.75 = 105,827.75 : x
  2. Step 2: Convert to fraction form
    156,746.06/216,375.75 = 105,827.75/x
  3. Step 3: Cross multiply
    156,746.06x = 216,375.75 × 105,827.75
  4. Step 4: Simplify right side
    156,746.06x = 22,898,558,777.06
  5. Step 5: Solve for x
    x = 22,898,558,777.06/156,746.06
  6. Step 6: Final answer
    x = 146,086.98

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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.