Home / 117,106.70-161,608.37-63,392.76

Finding the Fourth Proportional to 117,106.70, 161,608.37 and 63,392.76

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Solution

The fourth proportional to 117,106.70, 161,608.37 and 63,392.76 is: 87,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,106.70 : 161,608.37 = 63,392.76 : x
  2. Step 2: Convert to fraction form
    117,106.70/161,608.37 = 63,392.76/x
  3. Step 3: Cross multiply
    117,106.70x = 161,608.37 × 63,392.76
  4. Step 4: Simplify right side
    117,106.70x = 10,244,800,296.44
  5. Step 5: Solve for x
    x = 10,244,800,296.44/117,106.70
  6. Step 6: Final answer
    x = 87,482.62

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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.