Home / 196,312.54-270,842.27-128,369.26

Finding the Fourth Proportional to 196,312.54, 270,842.27 and 128,369.26

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Solution

The fourth proportional to 196,312.54, 270,842.27 and 128,369.26 is: 177,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,312.54 : 270,842.27 = 128,369.26 : x
  2. Step 2: Convert to fraction form
    196,312.54/270,842.27 = 128,369.26/x
  3. Step 3: Cross multiply
    196,312.54x = 270,842.27 × 128,369.26
  4. Step 4: Simplify right side
    196,312.54x = 34,767,821,776.62
  5. Step 5: Solve for x
    x = 34,767,821,776.62/196,312.54
  6. Step 6: Final answer
    x = 177,104.44

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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.