Home / 655,443-983,217.84-182,128.38

Finding the Fourth Proportional to 655,443, 983,217.84 and 182,128.38

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Solution

The fourth proportional to 655,443, 983,217.84 and 182,128.38 is: 273,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,443 : 983,217.84 = 182,128.38 : x
  2. Step 2: Convert to fraction form
    655,443/983,217.84 = 182,128.38/x
  3. Step 3: Cross multiply
    655,443x = 983,217.84 × 182,128.38
  4. Step 4: Simplify right side
    655,443x = 179,071,872,386.30
  5. Step 5: Solve for x
    x = 179,071,872,386.30/655,443
  6. Step 6: Final answer
    x = 273,207.39

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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.