Home / 117,154.71-161,673.21-63,439.73

Finding the Fourth Proportional to 117,154.71, 161,673.21 and 63,439.73

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Solution

The fourth proportional to 117,154.71, 161,673.21 and 63,439.73 is: 87,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,154.71 : 161,673.21 = 63,439.73 : x
  2. Step 2: Convert to fraction form
    117,154.71/161,673.21 = 63,439.73/x
  3. Step 3: Cross multiply
    117,154.71x = 161,673.21 × 63,439.73
  4. Step 4: Simplify right side
    117,154.71x = 10,256,504,140.87
  5. Step 5: Solve for x
    x = 10,256,504,140.87/117,154.71
  6. Step 6: Final answer
    x = 87,546.66

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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.