Home / 299,103.18-412,528.98-191,683.20

Finding the Fourth Proportional to 299,103.18, 412,528.98 and 191,683.20

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Solution

The fourth proportional to 299,103.18, 412,528.98 and 191,683.20 is: 264,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,103.18 : 412,528.98 = 191,683.20 : x
  2. Step 2: Convert to fraction form
    299,103.18/412,528.98 = 191,683.20/x
  3. Step 3: Cross multiply
    299,103.18x = 412,528.98 × 191,683.20
  4. Step 4: Simplify right side
    299,103.18x = 79,074,874,979.14
  5. Step 5: Solve for x
    x = 79,074,874,979.14/299,103.18
  6. Step 6: Final answer
    x = 264,373.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.