Home / 312,556.19-431,301.92-176,601.94

Finding the Fourth Proportional to 312,556.19, 431,301.92 and 176,601.94

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Solution

The fourth proportional to 312,556.19, 431,301.92 and 176,601.94 is: 243,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,556.19 : 431,301.92 = 176,601.94 : x
  2. Step 2: Convert to fraction form
    312,556.19/431,301.92 = 176,601.94/x
  3. Step 3: Cross multiply
    312,556.19x = 431,301.92 × 176,601.94
  4. Step 4: Simplify right side
    312,556.19x = 76,168,753,836.46
  5. Step 5: Solve for x
    x = 76,168,753,836.46/312,556.19
  6. Step 6: Final answer
    x = 243,696.20

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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.