Home / 191,556.69-287,324.32-58,426.48

Finding the Fourth Proportional to 191,556.69, 287,324.32 and 58,426.48

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Solution

The fourth proportional to 191,556.69, 287,324.32 and 58,426.48 is: 87,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,556.69 : 287,324.32 = 58,426.48 : x
  2. Step 2: Convert to fraction form
    191,556.69/287,324.32 = 58,426.48/x
  3. Step 3: Cross multiply
    191,556.69x = 287,324.32 × 58,426.48
  4. Step 4: Simplify right side
    191,556.69x = 16,787,348,635.99
  5. Step 5: Solve for x
    x = 16,787,348,635.99/191,556.69
  6. Step 6: Final answer
    x = 87,636.45

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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.