Home / 106,172.69-159,125.67-63,509.58

Finding the Fourth Proportional to 106,172.69, 159,125.67 and 63,509.58

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Solution

The fourth proportional to 106,172.69, 159,125.67 and 63,509.58 is: 95,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,172.69 : 159,125.67 = 63,509.58 : x
  2. Step 2: Convert to fraction form
    106,172.69/159,125.67 = 63,509.58/x
  3. Step 3: Cross multiply
    106,172.69x = 159,125.67 × 63,509.58
  4. Step 4: Simplify right side
    106,172.69x = 10,106,004,468.92
  5. Step 5: Solve for x
    x = 10,106,004,468.92/106,172.69
  6. Step 6: Final answer
    x = 95,184.60

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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.