Home / 250,406.48-345,559.56-137,225.36

Finding the Fourth Proportional to 250,406.48, 345,559.56 and 137,225.36

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Solution

The fourth proportional to 250,406.48, 345,559.56 and 137,225.36 is: 189,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,406.48 : 345,559.56 = 137,225.36 : x
  2. Step 2: Convert to fraction form
    250,406.48/345,559.56 = 137,225.36/x
  3. Step 3: Cross multiply
    250,406.48x = 345,559.56 × 137,225.36
  4. Step 4: Simplify right side
    250,406.48x = 47,419,535,022.44
  5. Step 5: Solve for x
    x = 47,419,535,022.44/250,406.48
  6. Step 6: Final answer
    x = 189,370.24

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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.