Home / 126,743.55-174,703.26-85,895.25

Finding the Fourth Proportional to 126,743.55, 174,703.26 and 85,895.25

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Solution

The fourth proportional to 126,743.55, 174,703.26 and 85,895.25 is: 118,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,743.55 : 174,703.26 = 85,895.25 : x
  2. Step 2: Convert to fraction form
    126,743.55/174,703.26 = 85,895.25/x
  3. Step 3: Cross multiply
    126,743.55x = 174,703.26 × 85,895.25
  4. Step 4: Simplify right side
    126,743.55x = 15,006,180,193.52
  5. Step 5: Solve for x
    x = 15,006,180,193.52/126,743.55
  6. Step 6: Final answer
    x = 118,397.98

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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.