Home / 326,177.28-450,139.81-203,742.16

Finding the Fourth Proportional to 326,177.28, 450,139.81 and 203,742.16

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Solution

The fourth proportional to 326,177.28, 450,139.81 and 203,742.16 is: 281,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,177.28 : 450,139.81 = 203,742.16 : x
  2. Step 2: Convert to fraction form
    326,177.28/450,139.81 = 203,742.16/x
  3. Step 3: Cross multiply
    326,177.28x = 450,139.81 × 203,742.16
  4. Step 4: Simplify right side
    326,177.28x = 91,712,456,631.69
  5. Step 5: Solve for x
    x = 91,712,456,631.69/326,177.28
  6. Step 6: Final answer
    x = 281,173.65

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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.