Home / 110,040.10-164,790.95-99,390.38

Finding the Fourth Proportional to 110,040.10, 164,790.95 and 99,390.38

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Solution

The fourth proportional to 110,040.10, 164,790.95 and 99,390.38 is: 148,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,040.10 : 164,790.95 = 99,390.38 : x
  2. Step 2: Convert to fraction form
    110,040.10/164,790.95 = 99,390.38/x
  3. Step 3: Cross multiply
    110,040.10x = 164,790.95 × 99,390.38
  4. Step 4: Simplify right side
    110,040.10x = 16,378,635,801.51
  5. Step 5: Solve for x
    x = 16,378,635,801.51/110,040.10
  6. Step 6: Final answer
    x = 148,842.43

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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.