Home / 250,009.08-375,046.49-81,470.32

Finding the Fourth Proportional to 250,009.08, 375,046.49 and 81,470.32

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Solution

The fourth proportional to 250,009.08, 375,046.49 and 81,470.32 is: 122,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,009.08 : 375,046.49 = 81,470.32 : x
  2. Step 2: Convert to fraction form
    250,009.08/375,046.49 = 81,470.32/x
  3. Step 3: Cross multiply
    250,009.08x = 375,046.49 × 81,470.32
  4. Step 4: Simplify right side
    250,009.08x = 30,555,158,085.19
  5. Step 5: Solve for x
    x = 30,555,158,085.19/250,009.08
  6. Step 6: Final answer
    x = 122,216.19

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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.