Home / 251,776.96-347,452.20-137,056.06

Finding the Fourth Proportional to 251,776.96, 347,452.20 and 137,056.06

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Solution

The fourth proportional to 251,776.96, 347,452.20 and 137,056.06 is: 189,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,776.96 : 347,452.20 = 137,056.06 : x
  2. Step 2: Convert to fraction form
    251,776.96/347,452.20 = 137,056.06/x
  3. Step 3: Cross multiply
    251,776.96x = 347,452.20 × 137,056.06
  4. Step 4: Simplify right side
    251,776.96x = 47,620,429,570.33
  5. Step 5: Solve for x
    x = 47,620,429,570.33/251,776.96
  6. Step 6: Final answer
    x = 189,137.36

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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.