Home / 106,317.40-159,476.10-89,404.60

Finding the Fourth Proportional to 106,317.40, 159,476.10 and 89,404.60

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Solution

The fourth proportional to 106,317.40, 159,476.10 and 89,404.60 is: 134,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,317.40 : 159,476.10 = 89,404.60 : x
  2. Step 2: Convert to fraction form
    106,317.40/159,476.10 = 89,404.60/x
  3. Step 3: Cross multiply
    106,317.40x = 159,476.10 × 89,404.60
  4. Step 4: Simplify right side
    106,317.40x = 14,257,896,930.06
  5. Step 5: Solve for x
    x = 14,257,896,930.06/106,317.40
  6. Step 6: Final answer
    x = 134,106.90

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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.