Home / 243,749.10-336,458.34-167,520.54

Finding the Fourth Proportional to 243,749.10, 336,458.34 and 167,520.54

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Solution

The fourth proportional to 243,749.10, 336,458.34 and 167,520.54 is: 231,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,749.10 : 336,458.34 = 167,520.54 : x
  2. Step 2: Convert to fraction form
    243,749.10/336,458.34 = 167,520.54/x
  3. Step 3: Cross multiply
    243,749.10x = 336,458.34 × 167,520.54
  4. Step 4: Simplify right side
    243,749.10x = 56,363,682,804.30
  5. Step 5: Solve for x
    x = 56,363,682,804.30/243,749.10
  6. Step 6: Final answer
    x = 231,236.48

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1.5x scale

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.