Home / 283,983.25-391,904.25-154,923.82

Finding the Fourth Proportional to 283,983.25, 391,904.25 and 154,923.82

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Solution

The fourth proportional to 283,983.25, 391,904.25 and 154,923.82 is: 213,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,983.25 : 391,904.25 = 154,923.82 : x
  2. Step 2: Convert to fraction form
    283,983.25/391,904.25 = 154,923.82/x
  3. Step 3: Cross multiply
    283,983.25x = 391,904.25 × 154,923.82
  4. Step 4: Simplify right side
    283,983.25x = 60,715,303,484.24
  5. Step 5: Solve for x
    x = 60,715,303,484.24/283,983.25
  6. Step 6: Final answer
    x = 213,798.89

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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.