Home / 179,831.81-248,130.84-103,336.12

Finding the Fourth Proportional to 179,831.81, 248,130.84 and 103,336.12

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Solution

The fourth proportional to 179,831.81, 248,130.84 and 103,336.12 is: 142,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,831.81 : 248,130.84 = 103,336.12 : x
  2. Step 2: Convert to fraction form
    179,831.81/248,130.84 = 103,336.12/x
  3. Step 3: Cross multiply
    179,831.81x = 248,130.84 × 103,336.12
  4. Step 4: Simplify right side
    179,831.81x = 25,640,878,878.27
  5. Step 5: Solve for x
    x = 25,640,878,878.27/179,831.81
  6. Step 6: Final answer
    x = 142,582.55

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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.