Home / 199,622.10-299,433.15-164,192.70

Finding the Fourth Proportional to 199,622.10, 299,433.15 and 164,192.70

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Solution

The fourth proportional to 199,622.10, 299,433.15 and 164,192.70 is: 246,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,622.10 : 299,433.15 = 164,192.70 : x
  2. Step 2: Convert to fraction form
    199,622.10/299,433.15 = 164,192.70/x
  3. Step 3: Cross multiply
    199,622.10x = 299,433.15 × 164,192.70
  4. Step 4: Simplify right side
    199,622.10x = 49,164,737,368.01
  5. Step 5: Solve for x
    x = 49,164,737,368.01/199,622.10
  6. Step 6: Final answer
    x = 246,289.05

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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.