Home / 147,322.54-203,295.53-86,879.33

Finding the Fourth Proportional to 147,322.54, 203,295.53 and 86,879.33

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Solution

The fourth proportional to 147,322.54, 203,295.53 and 86,879.33 is: 119,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,322.54 : 203,295.53 = 86,879.33 : x
  2. Step 2: Convert to fraction form
    147,322.54/203,295.53 = 86,879.33/x
  3. Step 3: Cross multiply
    147,322.54x = 203,295.53 × 86,879.33
  4. Step 4: Simplify right side
    147,322.54x = 17,662,177,987.52
  5. Step 5: Solve for x
    x = 17,662,177,987.52/147,322.54
  6. Step 6: Final answer
    x = 119,887.82

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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.