Home / 318,091.50-438,967.19-182,127.54

Finding the Fourth Proportional to 318,091.50, 438,967.19 and 182,127.54

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Solution

The fourth proportional to 318,091.50, 438,967.19 and 182,127.54 is: 251,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,091.50 : 438,967.19 = 182,127.54 : x
  2. Step 2: Convert to fraction form
    318,091.50/438,967.19 = 182,127.54/x
  3. Step 3: Cross multiply
    318,091.50x = 438,967.19 × 182,127.54
  4. Step 4: Simplify right side
    318,091.50x = 79,948,013,544.77
  5. Step 5: Solve for x
    x = 79,948,013,544.77/318,091.50
  6. Step 6: Final answer
    x = 251,336.53

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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.