Home / 197,702.96-272,849.60-112,832.72

Finding the Fourth Proportional to 197,702.96, 272,849.60 and 112,832.72

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Solution

The fourth proportional to 197,702.96, 272,849.60 and 112,832.72 is: 155,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,702.96 : 272,849.60 = 112,832.72 : x
  2. Step 2: Convert to fraction form
    197,702.96/272,849.60 = 112,832.72/x
  3. Step 3: Cross multiply
    197,702.96x = 272,849.60 × 112,832.72
  4. Step 4: Simplify right side
    197,702.96x = 30,786,362,518.91
  5. Step 5: Solve for x
    x = 30,786,362,518.91/197,702.96
  6. Step 6: Final answer
    x = 155,720.29

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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.