Home / 312,869.96-431,769.04-176,924.25

Finding the Fourth Proportional to 312,869.96, 431,769.04 and 176,924.25

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Solution

The fourth proportional to 312,869.96, 431,769.04 and 176,924.25 is: 244,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,869.96 : 431,769.04 = 176,924.25 : x
  2. Step 2: Convert to fraction form
    312,869.96/431,769.04 = 176,924.25/x
  3. Step 3: Cross multiply
    312,869.96x = 431,769.04 × 176,924.25
  4. Step 4: Simplify right side
    312,869.96x = 76,390,413,575.22
  5. Step 5: Solve for x
    x = 76,390,413,575.22/312,869.96
  6. Step 6: Final answer
    x = 244,160.27

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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.