Home / 312,186.85-430,837.31-176,243.83

Finding the Fourth Proportional to 312,186.85, 430,837.31 and 176,243.83

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Solution

The fourth proportional to 312,186.85, 430,837.31 and 176,243.83 is: 243,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,186.85 : 430,837.31 = 176,243.83 : x
  2. Step 2: Convert to fraction form
    312,186.85/430,837.31 = 176,243.83/x
  3. Step 3: Cross multiply
    312,186.85x = 430,837.31 × 176,243.83
  4. Step 4: Simplify right side
    312,186.85x = 75,932,417,621.30
  5. Step 5: Solve for x
    x = 75,932,417,621.30/312,186.85
  6. Step 6: Final answer
    x = 243,227.47

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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.