Home / 199,000.10-298,500.15-187,595.30

Finding the Fourth Proportional to 199,000.10, 298,500.15 and 187,595.30

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Solution

The fourth proportional to 199,000.10, 298,500.15 and 187,595.30 is: 281,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,000.10 : 298,500.15 = 187,595.30 : x
  2. Step 2: Convert to fraction form
    199,000.10/298,500.15 = 187,595.30/x
  3. Step 3: Cross multiply
    199,000.10x = 298,500.15 × 187,595.30
  4. Step 4: Simplify right side
    199,000.10x = 55,997,225,189.30
  5. Step 5: Solve for x
    x = 55,997,225,189.30/199,000.10
  6. Step 6: Final answer
    x = 281,392.95

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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.