Home / 107,949.90-162,021.14-107,548.01

Finding the Fourth Proportional to 107,949.90, 162,021.14 and 107,548.01

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Solution

The fourth proportional to 107,949.90, 162,021.14 and 107,548.01 is: 161,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.90 : 162,021.14 = 107,548.01 : x
  2. Step 2: Convert to fraction form
    107,949.90/162,021.14 = 107,548.01/x
  3. Step 3: Cross multiply
    107,949.90x = 162,021.14 × 107,548.01
  4. Step 4: Simplify right side
    107,949.90x = 17,425,051,184.93
  5. Step 5: Solve for x
    x = 17,425,051,184.93/107,949.90
  6. Step 6: Final answer
    x = 161,417.95

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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.