Home / 109,905.90-164,421.45-95,277.30

Finding the Fourth Proportional to 109,905.90, 164,421.45 and 95,277.30

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Solution

The fourth proportional to 109,905.90, 164,421.45 and 95,277.30 is: 142,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.90 : 164,421.45 = 95,277.30 : x
  2. Step 2: Convert to fraction form
    109,905.90/164,421.45 = 95,277.30/x
  3. Step 3: Cross multiply
    109,905.90x = 164,421.45 × 95,277.30
  4. Step 4: Simplify right side
    109,905.90x = 15,665,631,818.09
  5. Step 5: Solve for x
    x = 15,665,631,818.09/109,905.90
  6. Step 6: Final answer
    x = 142,536.77

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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.