Home / 250,041.23-345,054.23-135,317.36

Finding the Fourth Proportional to 250,041.23, 345,054.23 and 135,317.36

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Solution

The fourth proportional to 250,041.23, 345,054.23 and 135,317.36 is: 186,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,041.23 : 345,054.23 = 135,317.36 : x
  2. Step 2: Convert to fraction form
    250,041.23/345,054.23 = 135,317.36/x
  3. Step 3: Cross multiply
    250,041.23x = 345,054.23 × 135,317.36
  4. Step 4: Simplify right side
    250,041.23x = 46,691,827,183.46
  5. Step 5: Solve for x
    x = 46,691,827,183.46/250,041.23
  6. Step 6: Final answer
    x = 186,736.51

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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.