Home / 545,226.46-817,781.33-190,247.20

Finding the Fourth Proportional to 545,226.46, 817,781.33 and 190,247.20

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Solution

The fourth proportional to 545,226.46, 817,781.33 and 190,247.20 is: 285,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,226.46 : 817,781.33 = 190,247.20 : x
  2. Step 2: Convert to fraction form
    545,226.46/817,781.33 = 190,247.20/x
  3. Step 3: Cross multiply
    545,226.46x = 817,781.33 × 190,247.20
  4. Step 4: Simplify right side
    545,226.46x = 155,580,606,675.94
  5. Step 5: Solve for x
    x = 155,580,606,675.94/545,226.46
  6. Step 6: Final answer
    x = 285,350.43

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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.