Home / 250,825.50-346,139.20-137,648.26

Finding the Fourth Proportional to 250,825.50, 346,139.20 and 137,648.26

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Solution

The fourth proportional to 250,825.50, 346,139.20 and 137,648.26 is: 189,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,825.50 : 346,139.20 = 137,648.26 : x
  2. Step 2: Convert to fraction form
    250,825.50/346,139.20 = 137,648.26/x
  3. Step 3: Cross multiply
    250,825.50x = 346,139.20 × 137,648.26
  4. Step 4: Simplify right side
    250,825.50x = 47,645,458,597.79
  5. Step 5: Solve for x
    x = 47,645,458,597.79/250,825.50
  6. Step 6: Final answer
    x = 189,954.60

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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.