Home / 250,637.49-345,880.26-143,207.19

Finding the Fourth Proportional to 250,637.49, 345,880.26 and 143,207.19

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Solution

The fourth proportional to 250,637.49, 345,880.26 and 143,207.19 is: 197,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,637.49 : 345,880.26 = 143,207.19 : x
  2. Step 2: Convert to fraction form
    250,637.49/345,880.26 = 143,207.19/x
  3. Step 3: Cross multiply
    250,637.49x = 345,880.26 × 143,207.19
  4. Step 4: Simplify right side
    250,637.49x = 49,532,540,111.07
  5. Step 5: Solve for x
    x = 49,532,540,111.07/250,637.49
  6. Step 6: Final answer
    x = 197,626.22

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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.