Home / 155,338.82-232,969.65-66,582.26

Finding the Fourth Proportional to 155,338.82, 232,969.65 and 66,582.26

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Solution

The fourth proportional to 155,338.82, 232,969.65 and 66,582.26 is: 99,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,338.82 : 232,969.65 = 66,582.26 : x
  2. Step 2: Convert to fraction form
    155,338.82/232,969.65 = 66,582.26/x
  3. Step 3: Cross multiply
    155,338.82x = 232,969.65 × 66,582.26
  4. Step 4: Simplify right side
    155,338.82x = 15,511,645,808.41
  5. Step 5: Solve for x
    x = 15,511,645,808.41/155,338.82
  6. Step 6: Final answer
    x = 99,856.85

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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.