Home / 126,396.09-174,425.54-69,806.25

Finding the Fourth Proportional to 126,396.09, 174,425.54 and 69,806.25

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Solution

The fourth proportional to 126,396.09, 174,425.54 and 69,806.25 is: 96,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,396.09 : 174,425.54 = 69,806.25 : x
  2. Step 2: Convert to fraction form
    126,396.09/174,425.54 = 69,806.25/x
  3. Step 3: Cross multiply
    126,396.09x = 174,425.54 × 69,806.25
  4. Step 4: Simplify right side
    126,396.09x = 12,175,992,502.59
  5. Step 5: Solve for x
    x = 12,175,992,502.59/126,396.09
  6. Step 6: Final answer
    x = 96,332.03

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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.