Home / 119,947.26-165,526.12-66,231.12

Finding the Fourth Proportional to 119,947.26, 165,526.12 and 66,231.12

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Solution

The fourth proportional to 119,947.26, 165,526.12 and 66,231.12 is: 91,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,947.26 : 165,526.12 = 66,231.12 : x
  2. Step 2: Convert to fraction form
    119,947.26/165,526.12 = 66,231.12/x
  3. Step 3: Cross multiply
    119,947.26x = 165,526.12 × 66,231.12
  4. Step 4: Simplify right side
    119,947.26x = 10,962,980,316.85
  5. Step 5: Solve for x
    x = 10,962,980,316.85/119,947.26
  6. Step 6: Final answer
    x = 91,398.34

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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.