Home / 230,099.11-317,634.74-154,691.35

Finding the Fourth Proportional to 230,099.11, 317,634.74 and 154,691.35

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Solution

The fourth proportional to 230,099.11, 317,634.74 and 154,691.35 is: 213,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,099.11 : 317,634.74 = 154,691.35 : x
  2. Step 2: Convert to fraction form
    230,099.11/317,634.74 = 154,691.35/x
  3. Step 3: Cross multiply
    230,099.11x = 317,634.74 × 154,691.35
  4. Step 4: Simplify right side
    230,099.11x = 49,135,346,737.50
  5. Step 5: Solve for x
    x = 49,135,346,737.50/230,099.11
  6. Step 6: Final answer
    x = 213,539.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.