Home / 181,540.40-250,535.02-100,969.50

Finding the Fourth Proportional to 181,540.40, 250,535.02 and 100,969.50

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Solution

The fourth proportional to 181,540.40, 250,535.02 and 100,969.50 is: 139,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,540.40 : 250,535.02 = 100,969.50 : x
  2. Step 2: Convert to fraction form
    181,540.40/250,535.02 = 100,969.50/x
  3. Step 3: Cross multiply
    181,540.40x = 250,535.02 × 100,969.50
  4. Step 4: Simplify right side
    181,540.40x = 25,296,395,701.89
  5. Step 5: Solve for x
    x = 25,296,395,701.89/181,540.40
  6. Step 6: Final answer
    x = 139,343.06

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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.