Home / 127,743.65-176,286.41-69,600.09

Finding the Fourth Proportional to 127,743.65, 176,286.41 and 69,600.09

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Solution

The fourth proportional to 127,743.65, 176,286.41 and 69,600.09 is: 96,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,743.65 : 176,286.41 = 69,600.09 : x
  2. Step 2: Convert to fraction form
    127,743.65/176,286.41 = 69,600.09/x
  3. Step 3: Cross multiply
    127,743.65x = 176,286.41 × 69,600.09
  4. Step 4: Simplify right side
    127,743.65x = 12,269,549,653.78
  5. Step 5: Solve for x
    x = 12,269,549,653.78/127,743.65
  6. Step 6: Final answer
    x = 96,048.22

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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.