Home / 143,004.54-197,438.72-88,614.44

Finding the Fourth Proportional to 143,004.54, 197,438.72 and 88,614.44

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Solution

The fourth proportional to 143,004.54, 197,438.72 and 88,614.44 is: 122,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,004.54 : 197,438.72 = 88,614.44 : x
  2. Step 2: Convert to fraction form
    143,004.54/197,438.72 = 88,614.44/x
  3. Step 3: Cross multiply
    143,004.54x = 197,438.72 × 88,614.44
  4. Step 4: Simplify right side
    143,004.54x = 17,495,921,607.12
  5. Step 5: Solve for x
    x = 17,495,921,607.12/143,004.54
  6. Step 6: Final answer
    x = 122,345.22

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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.