Home / 250,947.09-346,302.68-137,769.03

Finding the Fourth Proportional to 250,947.09, 346,302.68 and 137,769.03

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Solution

The fourth proportional to 250,947.09, 346,302.68 and 137,769.03 is: 190,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,947.09 : 346,302.68 = 137,769.03 : x
  2. Step 2: Convert to fraction form
    250,947.09/346,302.68 = 137,769.03/x
  3. Step 3: Cross multiply
    250,947.09x = 346,302.68 × 137,769.03
  4. Step 4: Simplify right side
    250,947.09x = 47,709,783,621.16
  5. Step 5: Solve for x
    x = 47,709,783,621.16/250,947.09
  6. Step 6: Final answer
    x = 190,118.90

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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.