Home / 155,892.86-215,081.16-95,400.44

Finding the Fourth Proportional to 155,892.86, 215,081.16 and 95,400.44

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Solution

The fourth proportional to 155,892.86, 215,081.16 and 95,400.44 is: 131,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,892.86 : 215,081.16 = 95,400.44 : x
  2. Step 2: Convert to fraction form
    155,892.86/215,081.16 = 95,400.44/x
  3. Step 3: Cross multiply
    155,892.86x = 215,081.16 × 95,400.44
  4. Step 4: Simplify right side
    155,892.86x = 20,518,837,299.71
  5. Step 5: Solve for x
    x = 20,518,837,299.71/155,892.86
  6. Step 6: Final answer
    x = 131,621.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.