Home / 250,043.23-345,056.99-135,319.36

Finding the Fourth Proportional to 250,043.23, 345,056.99 and 135,319.36

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Solution

The fourth proportional to 250,043.23, 345,056.99 and 135,319.36 is: 186,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,043.23 : 345,056.99 = 135,319.36 : x
  2. Step 2: Convert to fraction form
    250,043.23/345,056.99 = 135,319.36/x
  3. Step 3: Cross multiply
    250,043.23x = 345,056.99 × 135,319.36
  4. Step 4: Simplify right side
    250,043.23x = 46,692,891,050.33
  5. Step 5: Solve for x
    x = 46,692,891,050.33/250,043.23
  6. Step 6: Final answer
    x = 186,739.27

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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.