Home / 230,098.11-317,633.36-154,690.35

Finding the Fourth Proportional to 230,098.11, 317,633.36 and 154,690.35

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Solution

The fourth proportional to 230,098.11, 317,633.36 and 154,690.35 is: 213,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,098.11 : 317,633.36 = 154,690.35 : x
  2. Step 2: Convert to fraction form
    230,098.11/317,633.36 = 154,690.35/x
  3. Step 3: Cross multiply
    230,098.11x = 317,633.36 × 154,690.35
  4. Step 4: Simplify right side
    230,098.11x = 49,134,815,630.08
  5. Step 5: Solve for x
    x = 49,134,815,630.08/230,098.11
  6. Step 6: Final answer
    x = 213,538.55

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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.