Home / 147,197.28-203,160.24-83,541.04

Finding the Fourth Proportional to 147,197.28, 203,160.24 and 83,541.04

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Solution

The fourth proportional to 147,197.28, 203,160.24 and 83,541.04 is: 115,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,197.28 : 203,160.24 = 83,541.04 : x
  2. Step 2: Convert to fraction form
    147,197.28/203,160.24 = 83,541.04/x
  3. Step 3: Cross multiply
    147,197.28x = 203,160.24 × 83,541.04
  4. Step 4: Simplify right side
    147,197.28x = 16,972,217,736.25
  5. Step 5: Solve for x
    x = 16,972,217,736.25/147,197.28
  6. Step 6: Final answer
    x = 115,302.52

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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.