Home / 119,924.16-165,500.88-66,216.80

Finding the Fourth Proportional to 119,924.16, 165,500.88 and 66,216.80

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Solution

The fourth proportional to 119,924.16, 165,500.88 and 66,216.80 is: 91,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,924.16 : 165,500.88 = 66,216.80 : x
  2. Step 2: Convert to fraction form
    119,924.16/165,500.88 = 66,216.80/x
  3. Step 3: Cross multiply
    119,924.16x = 165,500.88 × 66,216.80
  4. Step 4: Simplify right side
    119,924.16x = 10,958,938,670.78
  5. Step 5: Solve for x
    x = 10,958,938,670.78/119,924.16
  6. Step 6: Final answer
    x = 91,382.24

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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.