Home / 201,594.29-278,084.39-126,011.57

Finding the Fourth Proportional to 201,594.29, 278,084.39 and 126,011.57

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Solution

The fourth proportional to 201,594.29, 278,084.39 and 126,011.57 is: 173,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,594.29 : 278,084.39 = 126,011.57 : x
  2. Step 2: Convert to fraction form
    201,594.29/278,084.39 = 126,011.57/x
  3. Step 3: Cross multiply
    201,594.29x = 278,084.39 × 126,011.57
  4. Step 4: Simplify right side
    201,594.29x = 35,041,848,555.91
  5. Step 5: Solve for x
    x = 35,041,848,555.91/201,594.29
  6. Step 6: Final answer
    x = 173,823.62

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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.