Home / 110,025.40-165,038.10-109,369.30

Finding the Fourth Proportional to 110,025.40, 165,038.10 and 109,369.30

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Solution

The fourth proportional to 110,025.40, 165,038.10 and 109,369.30 is: 164,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,025.40 : 165,038.10 = 109,369.30 : x
  2. Step 2: Convert to fraction form
    110,025.40/165,038.10 = 109,369.30/x
  3. Step 3: Cross multiply
    110,025.40x = 165,038.10 × 109,369.30
  4. Step 4: Simplify right side
    110,025.40x = 18,050,101,470.33
  5. Step 5: Solve for x
    x = 18,050,101,470.33/110,025.40
  6. Step 6: Final answer
    x = 164,053.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.