Home / 119,813.64-165,341.73-66,099.09

Finding the Fourth Proportional to 119,813.64, 165,341.73 and 66,099.09

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Solution

The fourth proportional to 119,813.64, 165,341.73 and 66,099.09 is: 91,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,813.64 : 165,341.73 = 66,099.09 : x
  2. Step 2: Convert to fraction form
    119,813.64/165,341.73 = 66,099.09/x
  3. Step 3: Cross multiply
    119,813.64x = 165,341.73 × 66,099.09
  4. Step 4: Simplify right side
    119,813.64x = 10,928,937,892.03
  5. Step 5: Solve for x
    x = 10,928,937,892.03/119,813.64
  6. Step 6: Final answer
    x = 91,216.14

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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.