Home / 144,728.54-217,090.85-64,745.36

Finding the Fourth Proportional to 144,728.54, 217,090.85 and 64,745.36

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Solution

The fourth proportional to 144,728.54, 217,090.85 and 64,745.36 is: 97,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,728.54 : 217,090.85 = 64,745.36 : x
  2. Step 2: Convert to fraction form
    144,728.54/217,090.85 = 64,745.36/x
  3. Step 3: Cross multiply
    144,728.54x = 217,090.85 × 64,745.36
  4. Step 4: Simplify right side
    144,728.54x = 14,055,623,826.78
  5. Step 5: Solve for x
    x = 14,055,623,826.78/144,728.54
  6. Step 6: Final answer
    x = 97,117.16

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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.