Home / 302,742.24-454,127.76-115,769.76

Finding the Fourth Proportional to 302,742.24, 454,127.76 and 115,769.76

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Solution

The fourth proportional to 302,742.24, 454,127.76 and 115,769.76 is: 173,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,742.24 : 454,127.76 = 115,769.76 : x
  2. Step 2: Convert to fraction form
    302,742.24/454,127.76 = 115,769.76/x
  3. Step 3: Cross multiply
    302,742.24x = 454,127.76 × 115,769.76
  4. Step 4: Simplify right side
    302,742.24x = 52,574,261,784.54
  5. Step 5: Solve for x
    x = 52,574,261,784.54/302,742.24
  6. Step 6: Final answer
    x = 173,660.15

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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.