Home / 106,566.72-159,849.81-100,071.06

Finding the Fourth Proportional to 106,566.72, 159,849.81 and 100,071.06

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Solution

The fourth proportional to 106,566.72, 159,849.81 and 100,071.06 is: 150,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,566.72 : 159,849.81 = 100,071.06 : x
  2. Step 2: Convert to fraction form
    106,566.72/159,849.81 = 100,071.06/x
  3. Step 3: Cross multiply
    106,566.72x = 159,849.81 × 100,071.06
  4. Step 4: Simplify right side
    106,566.72x = 15,996,339,927.50
  5. Step 5: Solve for x
    x = 15,996,339,927.50/106,566.72
  6. Step 6: Final answer
    x = 150,106.34

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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.