Home / 384,854.35-531,083.31-212,761.36

Finding the Fourth Proportional to 384,854.35, 531,083.31 and 212,761.36

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Solution

The fourth proportional to 384,854.35, 531,083.31 and 212,761.36 is: 293,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,854.35 : 531,083.31 = 212,761.36 : x
  2. Step 2: Convert to fraction form
    384,854.35/531,083.31 = 212,761.36/x
  3. Step 3: Cross multiply
    384,854.35x = 531,083.31 × 212,761.36
  4. Step 4: Simplify right side
    384,854.35x = 112,994,006,645.05
  5. Step 5: Solve for x
    x = 112,994,006,645.05/384,854.35
  6. Step 6: Final answer
    x = 293,602.00

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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.