Home / 156,566.70-216,062.91-84,946.86

Finding the Fourth Proportional to 156,566.70, 216,062.91 and 84,946.86

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Solution

The fourth proportional to 156,566.70, 216,062.91 and 84,946.86 is: 117,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,566.70 : 216,062.91 = 84,946.86 : x
  2. Step 2: Convert to fraction form
    156,566.70/216,062.91 = 84,946.86/x
  3. Step 3: Cross multiply
    156,566.70x = 216,062.91 × 84,946.86
  4. Step 4: Simplify right side
    156,566.70x = 18,353,865,766.96
  5. Step 5: Solve for x
    x = 18,353,865,766.96/156,566.70
  6. Step 6: Final answer
    x = 117,227.14

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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.