Home / 154,027.96-212,469.86-92,731.48

Finding the Fourth Proportional to 154,027.96, 212,469.86 and 92,731.48

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Solution

The fourth proportional to 154,027.96, 212,469.86 and 92,731.48 is: 127,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,027.96 : 212,469.86 = 92,731.48 : x
  2. Step 2: Convert to fraction form
    154,027.96/212,469.86 = 92,731.48/x
  3. Step 3: Cross multiply
    154,027.96x = 212,469.86 × 92,731.48
  4. Step 4: Simplify right side
    154,027.96x = 19,702,643,047.19
  5. Step 5: Solve for x
    x = 19,702,643,047.19/154,027.96
  6. Step 6: Final answer
    x = 127,916.02

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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.