Home / 127,725.07-176,266.06-71,136.44

Finding the Fourth Proportional to 127,725.07, 176,266.06 and 71,136.44

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Solution

The fourth proportional to 127,725.07, 176,266.06 and 71,136.44 is: 98,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.07 : 176,266.06 = 71,136.44 : x
  2. Step 2: Convert to fraction form
    127,725.07/176,266.06 = 71,136.44/x
  3. Step 3: Cross multiply
    127,725.07x = 176,266.06 × 71,136.44
  4. Step 4: Simplify right side
    127,725.07x = 12,538,940,001.23
  5. Step 5: Solve for x
    x = 12,538,940,001.23/127,725.07
  6. Step 6: Final answer
    x = 98,171.33

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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.