Home / 374,285.75-516,515.66-204,519.88

Finding the Fourth Proportional to 374,285.75, 516,515.66 and 204,519.88

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Solution

The fourth proportional to 374,285.75, 516,515.66 and 204,519.88 is: 282,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,285.75 : 516,515.66 = 204,519.88 : x
  2. Step 2: Convert to fraction form
    374,285.75/516,515.66 = 204,519.88/x
  3. Step 3: Cross multiply
    374,285.75x = 516,515.66 × 204,519.88
  4. Step 4: Simplify right side
    374,285.75x = 105,637,720,021.33
  5. Step 5: Solve for x
    x = 105,637,720,021.33/374,285.75
  6. Step 6: Final answer
    x = 282,238.15

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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.