Home / 641,182.50-961,966.30-191,918.04

Finding the Fourth Proportional to 641,182.50, 961,966.30 and 191,918.04

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Solution

The fourth proportional to 641,182.50, 961,966.30 and 191,918.04 is: 287,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,182.50 : 961,966.30 = 191,918.04 : x
  2. Step 2: Convert to fraction form
    641,182.50/961,966.30 = 191,918.04/x
  3. Step 3: Cross multiply
    641,182.50x = 961,966.30 × 191,918.04
  4. Step 4: Simplify right side
    641,182.50x = 184,618,686,842.05
  5. Step 5: Solve for x
    x = 184,618,686,842.05/641,182.50
  6. Step 6: Final answer
    x = 287,934.69

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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.