Home / 200,089.50-276,125.68-109,443.48

Finding the Fourth Proportional to 200,089.50, 276,125.68 and 109,443.48

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Solution

The fourth proportional to 200,089.50, 276,125.68 and 109,443.48 is: 151,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,089.50 : 276,125.68 = 109,443.48 : x
  2. Step 2: Convert to fraction form
    200,089.50/276,125.68 = 109,443.48/x
  3. Step 3: Cross multiply
    200,089.50x = 276,125.68 × 109,443.48
  4. Step 4: Simplify right side
    200,089.50x = 30,220,154,437.90
  5. Step 5: Solve for x
    x = 30,220,154,437.90/200,089.50
  6. Step 6: Final answer
    x = 151,033.19

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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.