Home / 119,846.23-165,387.61-66,131.22

Finding the Fourth Proportional to 119,846.23, 165,387.61 and 66,131.22

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Solution

The fourth proportional to 119,846.23, 165,387.61 and 66,131.22 is: 91,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,846.23 : 165,387.61 = 66,131.22 : x
  2. Step 2: Convert to fraction form
    119,846.23/165,387.61 = 66,131.22/x
  3. Step 3: Cross multiply
    119,846.23x = 165,387.61 × 66,131.22
  4. Step 4: Simplify right side
    119,846.23x = 10,937,284,422.18
  5. Step 5: Solve for x
    x = 10,937,284,422.18/119,846.23
  6. Step 6: Final answer
    x = 91,260.98

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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.