Home / 147,600.48-203,686.11-83,936.82

Finding the Fourth Proportional to 147,600.48, 203,686.11 and 83,936.82

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Solution

The fourth proportional to 147,600.48, 203,686.11 and 83,936.82 is: 115,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,600.48 : 203,686.11 = 83,936.82 : x
  2. Step 2: Convert to fraction form
    147,600.48/203,686.11 = 83,936.82/x
  3. Step 3: Cross multiply
    147,600.48x = 203,686.11 × 83,936.82
  4. Step 4: Simplify right side
    147,600.48x = 17,096,764,351.57
  5. Step 5: Solve for x
    x = 17,096,764,351.57/147,600.48
  6. Step 6: Final answer
    x = 115,831.36

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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.