Home / 225,268.13-310,898.31-147,808.91

Finding the Fourth Proportional to 225,268.13, 310,898.31 and 147,808.91

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Solution

The fourth proportional to 225,268.13, 310,898.31 and 147,808.91 is: 203,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,268.13 : 310,898.31 = 147,808.91 : x
  2. Step 2: Convert to fraction form
    225,268.13/310,898.31 = 147,808.91/x
  3. Step 3: Cross multiply
    225,268.13x = 310,898.31 × 147,808.91
  4. Step 4: Simplify right side
    225,268.13x = 45,953,540,321.94
  5. Step 5: Solve for x
    x = 45,953,540,321.94/225,268.13
  6. Step 6: Final answer
    x = 203,994.86

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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.