Home / 131,908.08-197,774.64-43,130.46

Finding the Fourth Proportional to 131,908.08, 197,774.64 and 43,130.46

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Solution

The fourth proportional to 131,908.08, 197,774.64 and 43,130.46 is: 64,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908.08 : 197,774.64 = 43,130.46 : x
  2. Step 2: Convert to fraction form
    131,908.08/197,774.64 = 43,130.46/x
  3. Step 3: Cross multiply
    131,908.08x = 197,774.64 × 43,130.46
  4. Step 4: Simplify right side
    131,908.08x = 8,530,111,199.53
  5. Step 5: Solve for x
    x = 8,530,111,199.53/131,908.08
  6. Step 6: Final answer
    x = 64,667.09

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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.