Home / 556,289.92-834,158.79-177,161.21

Finding the Fourth Proportional to 556,289.92, 834,158.79 and 177,161.21

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Solution

The fourth proportional to 556,289.92, 834,158.79 and 177,161.21 is: 265,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,289.92 : 834,158.79 = 177,161.21 : x
  2. Step 2: Convert to fraction form
    556,289.92/834,158.79 = 177,161.21/x
  3. Step 3: Cross multiply
    556,289.92x = 834,158.79 × 177,161.21
  4. Step 4: Simplify right side
    556,289.92x = 147,780,580,568.54
  5. Step 5: Solve for x
    x = 147,780,580,568.54/556,289.92
  6. Step 6: Final answer
    x = 265,653.89

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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.