Home / 397,185.04-595,590.38-144,287.20

Finding the Fourth Proportional to 397,185.04, 595,590.38 and 144,287.20

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Solution

The fourth proportional to 397,185.04, 595,590.38 and 144,287.20 is: 216,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,185.04 : 595,590.38 = 144,287.20 : x
  2. Step 2: Convert to fraction form
    397,185.04/595,590.38 = 144,287.20/x
  3. Step 3: Cross multiply
    397,185.04x = 595,590.38 × 144,287.20
  4. Step 4: Simplify right side
    397,185.04x = 85,936,068,277.14
  5. Step 5: Solve for x
    x = 85,936,068,277.14/397,185.04
  6. Step 6: Final answer
    x = 216,362.80

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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.