Home / 119,370.96-178,816.16-55,238.70

Finding the Fourth Proportional to 119,370.96, 178,816.16 and 55,238.70

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Solution

The fourth proportional to 119,370.96, 178,816.16 and 55,238.70 is: 82,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,370.96 : 178,816.16 = 55,238.70 : x
  2. Step 2: Convert to fraction form
    119,370.96/178,816.16 = 55,238.70/x
  3. Step 3: Cross multiply
    119,370.96x = 178,816.16 × 55,238.70
  4. Step 4: Simplify right side
    119,370.96x = 9,877,572,217.39
  5. Step 5: Solve for x
    x = 9,877,572,217.39/119,370.96
  6. Step 6: Final answer
    x = 82,746.86

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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.