Home / 177,824.86-245,487.51-137,447.44

Finding the Fourth Proportional to 177,824.86, 245,487.51 and 137,447.44

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Solution

The fourth proportional to 177,824.86, 245,487.51 and 137,447.44 is: 189,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,824.86 : 245,487.51 = 137,447.44 : x
  2. Step 2: Convert to fraction form
    177,824.86/245,487.51 = 137,447.44/x
  3. Step 3: Cross multiply
    177,824.86x = 245,487.51 × 137,447.44
  4. Step 4: Simplify right side
    177,824.86x = 33,741,629,801.47
  5. Step 5: Solve for x
    x = 33,741,629,801.47/177,824.86
  6. Step 6: Final answer
    x = 189,746.42

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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.