Home / 368,921.94-553,402.92-116,222.34

Finding the Fourth Proportional to 368,921.94, 553,402.92 and 116,222.34

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Solution

The fourth proportional to 368,921.94, 553,402.92 and 116,222.34 is: 174,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,921.94 : 553,402.92 = 116,222.34 : x
  2. Step 2: Convert to fraction form
    368,921.94/553,402.92 = 116,222.34/x
  3. Step 3: Cross multiply
    368,921.94x = 553,402.92 × 116,222.34
  4. Step 4: Simplify right side
    368,921.94x = 64,317,782,325.23
  5. Step 5: Solve for x
    x = 64,317,782,325.23/368,921.94
  6. Step 6: Final answer
    x = 174,339.81

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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.