Home / 239,868.89-331,024.23-132,445.72

Finding the Fourth Proportional to 239,868.89, 331,024.23 and 132,445.72

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Solution

The fourth proportional to 239,868.89, 331,024.23 and 132,445.72 is: 182,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,868.89 : 331,024.23 = 132,445.72 : x
  2. Step 2: Convert to fraction form
    239,868.89/331,024.23 = 132,445.72/x
  3. Step 3: Cross multiply
    239,868.89x = 331,024.23 × 132,445.72
  4. Step 4: Simplify right side
    239,868.89x = 43,842,740,162.45
  5. Step 5: Solve for x
    x = 43,842,740,162.45/239,868.89
  6. Step 6: Final answer
    x = 182,777.94

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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.