Home / 248,216.01-342,539.60-135,039.57

Finding the Fourth Proportional to 248,216.01, 342,539.60 and 135,039.57

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Solution

The fourth proportional to 248,216.01, 342,539.60 and 135,039.57 is: 186,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,216.01 : 342,539.60 = 135,039.57 : x
  2. Step 2: Convert to fraction form
    248,216.01/342,539.60 = 135,039.57/x
  3. Step 3: Cross multiply
    248,216.01x = 342,539.60 × 135,039.57
  4. Step 4: Simplify right side
    248,216.01x = 46,256,399,616.77
  5. Step 5: Solve for x
    x = 46,256,399,616.77/248,216.01
  6. Step 6: Final answer
    x = 186,355.42

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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.