Home / 119,659.04-165,122.84-65,933.36

Finding the Fourth Proportional to 119,659.04, 165,122.84 and 65,933.36

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Solution

The fourth proportional to 119,659.04, 165,122.84 and 65,933.36 is: 90,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,659.04 : 165,122.84 = 65,933.36 : x
  2. Step 2: Convert to fraction form
    119,659.04/165,122.84 = 65,933.36/x
  3. Step 3: Cross multiply
    119,659.04x = 165,122.84 × 65,933.36
  4. Step 4: Simplify right side
    119,659.04x = 10,887,103,653.94
  5. Step 5: Solve for x
    x = 10,887,103,653.94/119,659.04
  6. Step 6: Final answer
    x = 90,984.38

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1.5x scale

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.