Home / 118,244.80-163,171.83-64,529.38

Finding the Fourth Proportional to 118,244.80, 163,171.83 and 64,529.38

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Solution

The fourth proportional to 118,244.80, 163,171.83 and 64,529.38 is: 89,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,244.80 : 163,171.83 = 64,529.38 : x
  2. Step 2: Convert to fraction form
    118,244.80/163,171.83 = 64,529.38/x
  3. Step 3: Cross multiply
    118,244.80x = 163,171.83 × 64,529.38
  4. Step 4: Simplify right side
    118,244.80x = 10,529,377,023.37
  5. Step 5: Solve for x
    x = 10,529,377,023.37/118,244.80
  6. Step 6: Final answer
    x = 89,047.27

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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.