Home / 199,427.72-298,892.12-99,615.77

Finding the Fourth Proportional to 199,427.72, 298,892.12 and 99,615.77

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Solution

The fourth proportional to 199,427.72, 298,892.12 and 99,615.77 is: 149,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,427.72 : 298,892.12 = 99,615.77 : x
  2. Step 2: Convert to fraction form
    199,427.72/298,892.12 = 99,615.77/x
  3. Step 3: Cross multiply
    199,427.72x = 298,892.12 × 99,615.77
  4. Step 4: Simplify right side
    199,427.72x = 29,774,368,680.73
  5. Step 5: Solve for x
    x = 29,774,368,680.73/199,427.72
  6. Step 6: Final answer
    x = 149,299.05

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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.