Home / 147,422.76-203,429.36-86,183.27

Finding the Fourth Proportional to 147,422.76, 203,429.36 and 86,183.27

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Solution

The fourth proportional to 147,422.76, 203,429.36 and 86,183.27 is: 118,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,422.76 : 203,429.36 = 86,183.27 : x
  2. Step 2: Convert to fraction form
    147,422.76/203,429.36 = 86,183.27/x
  3. Step 3: Cross multiply
    147,422.76x = 203,429.36 × 86,183.27
  4. Step 4: Simplify right side
    147,422.76x = 17,532,207,458.81
  5. Step 5: Solve for x
    x = 17,532,207,458.81/147,422.76
  6. Step 6: Final answer
    x = 118,924.70

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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.