Home / 196,029.62-270,421.13-128,086.31

Finding the Fourth Proportional to 196,029.62, 270,421.13 and 128,086.31

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Solution

The fourth proportional to 196,029.62, 270,421.13 and 128,086.31 is: 176,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,029.62 : 270,421.13 = 128,086.31 : x
  2. Step 2: Convert to fraction form
    196,029.62/270,421.13 = 128,086.31/x
  3. Step 3: Cross multiply
    196,029.62x = 270,421.13 × 128,086.31
  4. Step 4: Simplify right side
    196,029.62x = 34,637,245,684.00
  5. Step 5: Solve for x
    x = 34,637,245,684.00/196,029.62
  6. Step 6: Final answer
    x = 176,693.94

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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.