Home / 126,136.72-174,068.46-69,548.26

Finding the Fourth Proportional to 126,136.72, 174,068.46 and 69,548.26

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Solution

The fourth proportional to 126,136.72, 174,068.46 and 69,548.26 is: 95,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.72 : 174,068.46 = 69,548.26 : x
  2. Step 2: Convert to fraction form
    126,136.72/174,068.46 = 69,548.26/x
  3. Step 3: Cross multiply
    126,136.72x = 174,068.46 × 69,548.26
  4. Step 4: Simplify right side
    126,136.72x = 12,106,158,513.88
  5. Step 5: Solve for x
    x = 12,106,158,513.88/126,136.72
  6. Step 6: Final answer
    x = 95,976.48

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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.