Home / 131,662.58-197,514.35-42,895.43

Finding the Fourth Proportional to 131,662.58, 197,514.35 and 42,895.43

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Solution

The fourth proportional to 131,662.58, 197,514.35 and 42,895.43 is: 64,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662.58 : 197,514.35 = 42,895.43 : x
  2. Step 2: Convert to fraction form
    131,662.58/197,514.35 = 42,895.43/x
  3. Step 3: Cross multiply
    131,662.58x = 197,514.35 × 42,895.43
  4. Step 4: Simplify right side
    131,662.58x = 8,472,461,772.37
  5. Step 5: Solve for x
    x = 8,472,461,772.37/131,662.58
  6. Step 6: Final answer
    x = 64,349.81

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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.