Home / 198,590.04-297,717.39-86,185.26

Finding the Fourth Proportional to 198,590.04, 297,717.39 and 86,185.26

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Solution

The fourth proportional to 198,590.04, 297,717.39 and 86,185.26 is: 129,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,590.04 : 297,717.39 = 86,185.26 : x
  2. Step 2: Convert to fraction form
    198,590.04/297,717.39 = 86,185.26/x
  3. Step 3: Cross multiply
    198,590.04x = 297,717.39 × 86,185.26
  4. Step 4: Simplify right side
    198,590.04x = 25,658,850,663.67
  5. Step 5: Solve for x
    x = 25,658,850,663.67/198,590.04
  6. Step 6: Final answer
    x = 129,205.12

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1.5x scale

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.