Home / 147,194.10-203,128.83-83,532.96

Finding the Fourth Proportional to 147,194.10, 203,128.83 and 83,532.96

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Solution

The fourth proportional to 147,194.10, 203,128.83 and 83,532.96 is: 115,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,194.10 : 203,128.83 = 83,532.96 : x
  2. Step 2: Convert to fraction form
    147,194.10/203,128.83 = 83,532.96/x
  3. Step 3: Cross multiply
    147,194.10x = 203,128.83 × 83,532.96
  4. Step 4: Simplify right side
    147,194.10x = 16,967,952,431.24
  5. Step 5: Solve for x
    x = 16,967,952,431.24/147,194.10
  6. Step 6: Final answer
    x = 115,276.04

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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.