Home / 119,972.64-165,563.49-66,259.02

Finding the Fourth Proportional to 119,972.64, 165,563.49 and 66,259.02

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Solution

The fourth proportional to 119,972.64, 165,563.49 and 66,259.02 is: 91,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,972.64 : 165,563.49 = 66,259.02 : x
  2. Step 2: Convert to fraction form
    119,972.64/165,563.49 = 66,259.02/x
  3. Step 3: Cross multiply
    119,972.64x = 165,563.49 × 66,259.02
  4. Step 4: Simplify right side
    119,972.64x = 10,970,074,595.18
  5. Step 5: Solve for x
    x = 10,970,074,595.18/119,972.64
  6. Step 6: Final answer
    x = 91,438.14

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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.