Home / 118,998.96-178,545.18-52,392.36

Finding the Fourth Proportional to 118,998.96, 178,545.18 and 52,392.36

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Solution

The fourth proportional to 118,998.96, 178,545.18 and 52,392.36 is: 78,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,998.96 : 178,545.18 = 52,392.36 : x
  2. Step 2: Convert to fraction form
    118,998.96/178,545.18 = 52,392.36/x
  3. Step 3: Cross multiply
    118,998.96x = 178,545.18 × 52,392.36
  4. Step 4: Simplify right side
    118,998.96x = 9,354,403,346.82
  5. Step 5: Solve for x
    x = 9,354,403,346.82/118,998.96
  6. Step 6: Final answer
    x = 78,609.12

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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.