Home / 127,725.24-176,260.82-71,136.60

Finding the Fourth Proportional to 127,725.24, 176,260.82 and 71,136.60

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Solution

The fourth proportional to 127,725.24, 176,260.82 and 71,136.60 is: 98,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.24 : 176,260.82 = 71,136.60 : x
  2. Step 2: Convert to fraction form
    127,725.24/176,260.82 = 71,136.60/x
  3. Step 3: Cross multiply
    127,725.24x = 176,260.82 × 71,136.60
  4. Step 4: Simplify right side
    127,725.24x = 12,538,595,448.01
  5. Step 5: Solve for x
    x = 12,538,595,448.01/127,725.24
  6. Step 6: Final answer
    x = 98,168.50

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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.