Home / 126,668.36-174,805.62-76,370.60

Finding the Fourth Proportional to 126,668.36, 174,805.62 and 76,370.60

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Solution

The fourth proportional to 126,668.36, 174,805.62 and 76,370.60 is: 105,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,668.36 : 174,805.62 = 76,370.60 : x
  2. Step 2: Convert to fraction form
    126,668.36/174,805.62 = 76,370.60/x
  3. Step 3: Cross multiply
    126,668.36x = 174,805.62 × 76,370.60
  4. Step 4: Simplify right side
    126,668.36x = 13,350,010,082.77
  5. Step 5: Solve for x
    x = 13,350,010,082.77/126,668.36
  6. Step 6: Final answer
    x = 105,393.41

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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.