Home / 283,868.35-391,733.38-154,807.81

Finding the Fourth Proportional to 283,868.35, 391,733.38 and 154,807.81

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Solution

The fourth proportional to 283,868.35, 391,733.38 and 154,807.81 is: 213,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,868.35 : 391,733.38 = 154,807.81 : x
  2. Step 2: Convert to fraction form
    283,868.35/391,733.38 = 154,807.81/x
  3. Step 3: Cross multiply
    283,868.35x = 391,733.38 × 154,807.81
  4. Step 4: Simplify right side
    283,868.35x = 60,643,385,875.87
  5. Step 5: Solve for x
    x = 60,643,385,875.87/283,868.35
  6. Step 6: Final answer
    x = 213,632.08

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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.