Home / 216,629.48-298,939.92-118,511.14

Finding the Fourth Proportional to 216,629.48, 298,939.92 and 118,511.14

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Solution

The fourth proportional to 216,629.48, 298,939.92 and 118,511.14 is: 163,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,629.48 : 298,939.92 = 118,511.14 : x
  2. Step 2: Convert to fraction form
    216,629.48/298,939.92 = 118,511.14/x
  3. Step 3: Cross multiply
    216,629.48x = 298,939.92 × 118,511.14
  4. Step 4: Simplify right side
    216,629.48x = 35,427,710,034.05
  5. Step 5: Solve for x
    x = 35,427,710,034.05/216,629.48
  6. Step 6: Final answer
    x = 163,540.57

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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.