Home / 208,092.48-312,131.43-58,331.58

Finding the Fourth Proportional to 208,092.48, 312,131.43 and 58,331.58

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Solution

The fourth proportional to 208,092.48, 312,131.43 and 58,331.58 is: 87,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,092.48 : 312,131.43 = 58,331.58 : x
  2. Step 2: Convert to fraction form
    208,092.48/312,131.43 = 58,331.58/x
  3. Step 3: Cross multiply
    208,092.48x = 312,131.43 × 58,331.58
  4. Step 4: Simplify right side
    208,092.48x = 18,207,119,479.56
  5. Step 5: Solve for x
    x = 18,207,119,479.56/208,092.48
  6. Step 6: Final answer
    x = 87,495.33

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1.5x scale

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.