Home / 216,132.75-298,297.76-126,708.75

Finding the Fourth Proportional to 216,132.75, 298,297.76 and 126,708.75

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Solution

The fourth proportional to 216,132.75, 298,297.76 and 126,708.75 is: 174,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,132.75 : 298,297.76 = 126,708.75 : x
  2. Step 2: Convert to fraction form
    216,132.75/298,297.76 = 126,708.75/x
  3. Step 3: Cross multiply
    216,132.75x = 298,297.76 × 126,708.75
  4. Step 4: Simplify right side
    216,132.75x = 37,796,935,663.86
  5. Step 5: Solve for x
    x = 37,796,935,663.86/216,132.75
  6. Step 6: Final answer
    x = 174,878.34

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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.