Home / 117,150.04-161,669.82-66,853.72

Finding the Fourth Proportional to 117,150.04, 161,669.82 and 66,853.72

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Solution

The fourth proportional to 117,150.04, 161,669.82 and 66,853.72 is: 92,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,150.04 : 161,669.82 = 66,853.72 : x
  2. Step 2: Convert to fraction form
    117,150.04/161,669.82 = 66,853.72/x
  3. Step 3: Cross multiply
    117,150.04x = 161,669.82 × 66,853.72
  4. Step 4: Simplify right side
    117,150.04x = 10,808,228,878.73
  5. Step 5: Solve for x
    x = 10,808,228,878.73/117,150.04
  6. Step 6: Final answer
    x = 92,259.71

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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.