Home / 147,122.06-203,032.39-83,469.42

Finding the Fourth Proportional to 147,122.06, 203,032.39 and 83,469.42

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Solution

The fourth proportional to 147,122.06, 203,032.39 and 83,469.42 is: 115,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,122.06 : 203,032.39 = 83,469.42 : x
  2. Step 2: Convert to fraction form
    147,122.06/203,032.39 = 83,469.42/x
  3. Step 3: Cross multiply
    147,122.06x = 203,032.39 × 83,469.42
  4. Step 4: Simplify right side
    147,122.06x = 16,946,995,834.51
  5. Step 5: Solve for x
    x = 16,946,995,834.51/147,122.06
  6. Step 6: Final answer
    x = 115,190.04

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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.