Home / 645,194.08-967,728.55-195,918.84

Finding the Fourth Proportional to 645,194.08, 967,728.55 and 195,918.84

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Solution

The fourth proportional to 645,194.08, 967,728.55 and 195,918.84 is: 293,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,194.08 : 967,728.55 = 195,918.84 : x
  2. Step 2: Convert to fraction form
    645,194.08/967,728.55 = 195,918.84/x
  3. Step 3: Cross multiply
    645,194.08x = 967,728.55 × 195,918.84
  4. Step 4: Simplify right side
    645,194.08x = 189,596,254,950.88
  5. Step 5: Solve for x
    x = 189,596,254,950.88/645,194.08
  6. Step 6: Final answer
    x = 293,859.26

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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.