Home / 147,858.34-222,785.09-122,138.98

Finding the Fourth Proportional to 147,858.34, 222,785.09 and 122,138.98

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Solution

The fourth proportional to 147,858.34, 222,785.09 and 122,138.98 is: 184,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,858.34 : 222,785.09 = 122,138.98 : x
  2. Step 2: Convert to fraction form
    147,858.34/222,785.09 = 122,138.98/x
  3. Step 3: Cross multiply
    147,858.34x = 222,785.09 × 122,138.98
  4. Step 4: Simplify right side
    147,858.34x = 27,210,743,651.81
  5. Step 5: Solve for x
    x = 27,210,743,651.81/147,858.34
  6. Step 6: Final answer
    x = 184,032.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.