Home / 225,445.22-310,964.72-144,974.56

Finding the Fourth Proportional to 225,445.22, 310,964.72 and 144,974.56

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Solution

The fourth proportional to 225,445.22, 310,964.72 and 144,974.56 is: 199,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,445.22 : 310,964.72 = 144,974.56 : x
  2. Step 2: Convert to fraction form
    225,445.22/310,964.72 = 144,974.56/x
  3. Step 3: Cross multiply
    225,445.22x = 310,964.72 × 144,974.56
  4. Step 4: Simplify right side
    225,445.22x = 45,081,973,353.78
  5. Step 5: Solve for x
    x = 45,081,973,353.78/225,445.22
  6. Step 6: Final answer
    x = 199,968.63

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1.5x scale

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.