Home / 216,131.25-298,295.69-126,707.25

Finding the Fourth Proportional to 216,131.25, 298,295.69 and 126,707.25

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Solution

The fourth proportional to 216,131.25, 298,295.69 and 126,707.25 is: 174,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,131.25 : 298,295.69 = 126,707.25 : x
  2. Step 2: Convert to fraction form
    216,131.25/298,295.69 = 126,707.25/x
  3. Step 3: Cross multiply
    216,131.25x = 298,295.69 × 126,707.25
  4. Step 4: Simplify right side
    216,131.25x = 37,796,225,933.22
  5. Step 5: Solve for x
    x = 37,796,225,933.22/216,131.25
  6. Step 6: Final answer
    x = 174,876.27

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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.