Home / 126,729.58-174,895.68-70,144.60

Finding the Fourth Proportional to 126,729.58, 174,895.68 and 70,144.60

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Solution

The fourth proportional to 126,729.58, 174,895.68 and 70,144.60 is: 96,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,729.58 : 174,895.68 = 70,144.60 : x
  2. Step 2: Convert to fraction form
    126,729.58/174,895.68 = 70,144.60/x
  3. Step 3: Cross multiply
    126,729.58x = 174,895.68 × 70,144.60
  4. Step 4: Simplify right side
    126,729.58x = 12,267,987,515.33
  5. Step 5: Solve for x
    x = 12,267,987,515.33/126,729.58
  6. Step 6: Final answer
    x = 96,804.45

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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.