Home / 199,084.10-298,712.55-100,588.10

Finding the Fourth Proportional to 199,084.10, 298,712.55 and 100,588.10

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Solution

The fourth proportional to 199,084.10, 298,712.55 and 100,588.10 is: 150,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,084.10 : 298,712.55 = 100,588.10 : x
  2. Step 2: Convert to fraction form
    199,084.10/298,712.55 = 100,588.10/x
  3. Step 3: Cross multiply
    199,084.10x = 298,712.55 × 100,588.10
  4. Step 4: Simplify right side
    199,084.10x = 30,046,927,850.66
  5. Step 5: Solve for x
    x = 30,046,927,850.66/199,084.10
  6. Step 6: Final answer
    x = 150,925.80

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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.