Home / 156,988.14-235,394.73-51,778.86

Finding the Fourth Proportional to 156,988.14, 235,394.73 and 51,778.86

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Solution

The fourth proportional to 156,988.14, 235,394.73 and 51,778.86 is: 77,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.14 : 235,394.73 = 51,778.86 : x
  2. Step 2: Convert to fraction form
    156,988.14/235,394.73 = 51,778.86/x
  3. Step 3: Cross multiply
    156,988.14x = 235,394.73 × 51,778.86
  4. Step 4: Simplify right side
    156,988.14x = 12,188,470,769.41
  5. Step 5: Solve for x
    x = 12,188,470,769.41/156,988.14
  6. Step 6: Final answer
    x = 77,639.44

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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.