Home / 216,576.30-298,954.43-130,538.36

Finding the Fourth Proportional to 216,576.30, 298,954.43 and 130,538.36

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Solution

The fourth proportional to 216,576.30, 298,954.43 and 130,538.36 is: 180,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,576.30 : 298,954.43 = 130,538.36 : x
  2. Step 2: Convert to fraction form
    216,576.30/298,954.43 = 130,538.36/x
  3. Step 3: Cross multiply
    216,576.30x = 298,954.43 × 130,538.36
  4. Step 4: Simplify right side
    216,576.30x = 39,025,018,859.47
  5. Step 5: Solve for x
    x = 39,025,018,859.47/216,576.30
  6. Step 6: Final answer
    x = 180,190.63

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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.