Home / 119,881.22-165,424.30-66,162.76

Finding the Fourth Proportional to 119,881.22, 165,424.30 and 66,162.76

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Solution

The fourth proportional to 119,881.22, 165,424.30 and 66,162.76 is: 91,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,881.22 : 165,424.30 = 66,162.76 : x
  2. Step 2: Convert to fraction form
    119,881.22/165,424.30 = 66,162.76/x
  3. Step 3: Cross multiply
    119,881.22x = 165,424.30 × 66,162.76
  4. Step 4: Simplify right side
    119,881.22x = 10,944,927,680.10
  5. Step 5: Solve for x
    x = 10,944,927,680.10/119,881.22
  6. Step 6: Final answer
    x = 91,298.10

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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.