Home / 204,623.10-306,934.65-133,764.30

Finding the Fourth Proportional to 204,623.10, 306,934.65 and 133,764.30

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Solution

The fourth proportional to 204,623.10, 306,934.65 and 133,764.30 is: 200,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,623.10 : 306,934.65 = 133,764.30 : x
  2. Step 2: Convert to fraction form
    204,623.10/306,934.65 = 133,764.30/x
  3. Step 3: Cross multiply
    204,623.10x = 306,934.65 × 133,764.30
  4. Step 4: Simplify right side
    204,623.10x = 41,056,898,603.00
  5. Step 5: Solve for x
    x = 41,056,898,603.00/204,623.10
  6. Step 6: Final answer
    x = 200,646.45

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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.