Home / 147,164.68-203,081.26-83,501.12

Finding the Fourth Proportional to 147,164.68, 203,081.26 and 83,501.12

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Solution

The fourth proportional to 147,164.68, 203,081.26 and 83,501.12 is: 115,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,164.68 : 203,081.26 = 83,501.12 : x
  2. Step 2: Convert to fraction form
    147,164.68/203,081.26 = 83,501.12/x
  3. Step 3: Cross multiply
    147,164.68x = 203,081.26 × 83,501.12
  4. Step 4: Simplify right side
    147,164.68x = 16,957,512,661.01
  5. Step 5: Solve for x
    x = 16,957,512,661.01/147,164.68
  6. Step 6: Final answer
    x = 115,228.14

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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.