Home / 350,869.61-484,199.21-189,724.16

Finding the Fourth Proportional to 350,869.61, 484,199.21 and 189,724.16

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Solution

The fourth proportional to 350,869.61, 484,199.21 and 189,724.16 is: 261,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,869.61 : 484,199.21 = 189,724.16 : x
  2. Step 2: Convert to fraction form
    350,869.61/484,199.21 = 189,724.16/x
  3. Step 3: Cross multiply
    350,869.61x = 484,199.21 × 189,724.16
  4. Step 4: Simplify right side
    350,869.61x = 91,864,287,441.29
  5. Step 5: Solve for x
    x = 91,864,287,441.29/350,869.61
  6. Step 6: Final answer
    x = 261,818.88

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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.