Home / 118,831.14-178,273.44-39,943.22

Finding the Fourth Proportional to 118,831.14, 178,273.44 and 39,943.22

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Solution

The fourth proportional to 118,831.14, 178,273.44 and 39,943.22 is: 59,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,831.14 : 178,273.44 = 39,943.22 : x
  2. Step 2: Convert to fraction form
    118,831.14/178,273.44 = 39,943.22/x
  3. Step 3: Cross multiply
    118,831.14x = 178,273.44 × 39,943.22
  4. Step 4: Simplify right side
    118,831.14x = 7,120,814,342.71
  5. Step 5: Solve for x
    x = 7,120,814,342.71/118,831.14
  6. Step 6: Final answer
    x = 59,923.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.