Home / 150,811.84-208,122.68-82,831.58

Finding the Fourth Proportional to 150,811.84, 208,122.68 and 82,831.58

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Solution

The fourth proportional to 150,811.84, 208,122.68 and 82,831.58 is: 114,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,811.84 : 208,122.68 = 82,831.58 : x
  2. Step 2: Convert to fraction form
    150,811.84/208,122.68 = 82,831.58/x
  3. Step 3: Cross multiply
    150,811.84x = 208,122.68 × 82,831.58
  4. Step 4: Simplify right side
    150,811.84x = 17,239,130,365.16
  5. Step 5: Solve for x
    x = 17,239,130,365.16/150,811.84
  6. Step 6: Final answer
    x = 114,308.86

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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.