Home / 123,221.19-184,831.83-52,125.39

Finding the Fourth Proportional to 123,221.19, 184,831.83 and 52,125.39

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Solution

The fourth proportional to 123,221.19, 184,831.83 and 52,125.39 is: 78,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,221.19 : 184,831.83 = 52,125.39 : x
  2. Step 2: Convert to fraction form
    123,221.19/184,831.83 = 52,125.39/x
  3. Step 3: Cross multiply
    123,221.19x = 184,831.83 × 52,125.39
  4. Step 4: Simplify right side
    123,221.19x = 9,634,431,223.16
  5. Step 5: Solve for x
    x = 9,634,431,223.16/123,221.19
  6. Step 6: Final answer
    x = 78,188.10

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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.