Home / 196,033.25-270,426.13-128,089.94

Finding the Fourth Proportional to 196,033.25, 270,426.13 and 128,089.94

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Solution

The fourth proportional to 196,033.25, 270,426.13 and 128,089.94 is: 176,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,033.25 : 270,426.13 = 128,089.94 : x
  2. Step 2: Convert to fraction form
    196,033.25/270,426.13 = 128,089.94/x
  3. Step 3: Cross multiply
    196,033.25x = 270,426.13 × 128,089.94
  4. Step 4: Simplify right side
    196,033.25x = 34,638,866,766.13
  5. Step 5: Solve for x
    x = 34,638,866,766.13/196,033.25
  6. Step 6: Final answer
    x = 176,698.94

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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.