Home / 128,861.10-193,245.30-44,598.38

Finding the Fourth Proportional to 128,861.10, 193,245.30 and 44,598.38

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Solution

The fourth proportional to 128,861.10, 193,245.30 and 44,598.38 is: 66,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,861.10 : 193,245.30 = 44,598.38 : x
  2. Step 2: Convert to fraction form
    128,861.10/193,245.30 = 44,598.38/x
  3. Step 3: Cross multiply
    128,861.10x = 193,245.30 × 44,598.38
  4. Step 4: Simplify right side
    128,861.10x = 8,618,426,356.39
  5. Step 5: Solve for x
    x = 8,618,426,356.39/128,861.10
  6. Step 6: Final answer
    x = 66,881.52

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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.