Home / 309,089.04-463,633.56-168,771.12

Finding the Fourth Proportional to 309,089.04, 463,633.56 and 168,771.12

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Solution

The fourth proportional to 309,089.04, 463,633.56 and 168,771.12 is: 253,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,089.04 : 463,633.56 = 168,771.12 : x
  2. Step 2: Convert to fraction form
    309,089.04/463,633.56 = 168,771.12/x
  3. Step 3: Cross multiply
    309,089.04x = 463,633.56 × 168,771.12
  4. Step 4: Simplify right side
    309,089.04x = 78,247,955,190.79
  5. Step 5: Solve for x
    x = 78,247,955,190.79/309,089.04
  6. Step 6: Final answer
    x = 253,156.68

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Similar ratio
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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.