Home / 195,495.05-269,783.78-109,457.66

Finding the Fourth Proportional to 195,495.05, 269,783.78 and 109,457.66

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Solution

The fourth proportional to 195,495.05, 269,783.78 and 109,457.66 is: 151,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,495.05 : 269,783.78 = 109,457.66 : x
  2. Step 2: Convert to fraction form
    195,495.05/269,783.78 = 109,457.66/x
  3. Step 3: Cross multiply
    195,495.05x = 269,783.78 × 109,457.66
  4. Step 4: Simplify right side
    195,495.05x = 29,529,899,368.55
  5. Step 5: Solve for x
    x = 29,529,899,368.55/195,495.05
  6. Step 6: Final answer
    x = 151,051.91

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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.