Home / 170,175.33-255,349.11-70,407.12

Finding the Fourth Proportional to 170,175.33, 255,349.11 and 70,407.12

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Solution

The fourth proportional to 170,175.33, 255,349.11 and 70,407.12 is: 105,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,175.33 : 255,349.11 = 70,407.12 : x
  2. Step 2: Convert to fraction form
    170,175.33/255,349.11 = 70,407.12/x
  3. Step 3: Cross multiply
    170,175.33x = 255,349.11 × 70,407.12
  4. Step 4: Simplify right side
    170,175.33x = 17,978,396,255.21
  5. Step 5: Solve for x
    x = 17,978,396,255.21/170,175.33
  6. Step 6: Final answer
    x = 105,646.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.