Home / 217,344.51-299,588.99-171,329.16

Finding the Fourth Proportional to 217,344.51, 299,588.99 and 171,329.16

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Solution

The fourth proportional to 217,344.51, 299,588.99 and 171,329.16 is: 236,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,344.51 : 299,588.99 = 171,329.16 : x
  2. Step 2: Convert to fraction form
    217,344.51/299,588.99 = 171,329.16/x
  3. Step 3: Cross multiply
    217,344.51x = 299,588.99 × 171,329.16
  4. Step 4: Simplify right side
    217,344.51x = 51,328,329,145.30
  5. Step 5: Solve for x
    x = 51,328,329,145.30/217,344.51
  6. Step 6: Final answer
    x = 236,161.15

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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.