Home / 106,607.83-159,517.14-85,483.30

Finding the Fourth Proportional to 106,607.83, 159,517.14 and 85,483.30

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Solution

The fourth proportional to 106,607.83, 159,517.14 and 85,483.30 is: 127,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,607.83 : 159,517.14 = 85,483.30 : x
  2. Step 2: Convert to fraction form
    106,607.83/159,517.14 = 85,483.30/x
  3. Step 3: Cross multiply
    106,607.83x = 159,517.14 × 85,483.30
  4. Step 4: Simplify right side
    106,607.83x = 13,636,051,533.76
  5. Step 5: Solve for x
    x = 13,636,051,533.76/106,607.83
  6. Step 6: Final answer
    x = 127,908.54

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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.