Home / 106,581.41-158,945.73-105,151.34

Finding the Fourth Proportional to 106,581.41, 158,945.73 and 105,151.34

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Solution

The fourth proportional to 106,581.41, 158,945.73 and 105,151.34 is: 156,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581.41 : 158,945.73 = 105,151.34 : x
  2. Step 2: Convert to fraction form
    106,581.41/158,945.73 = 105,151.34/x
  3. Step 3: Cross multiply
    106,581.41x = 158,945.73 × 105,151.34
  4. Step 4: Simplify right side
    106,581.41x = 16,713,355,702.05
  5. Step 5: Solve for x
    x = 16,713,355,702.05/106,581.41
  6. Step 6: Final answer
    x = 156,813.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.