Home / 137,379.96-205,715.04-94,816.75

Finding the Fourth Proportional to 137,379.96, 205,715.04 and 94,816.75

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Solution

The fourth proportional to 137,379.96, 205,715.04 and 94,816.75 is: 141,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,379.96 : 205,715.04 = 94,816.75 : x
  2. Step 2: Convert to fraction form
    137,379.96/205,715.04 = 94,816.75/x
  3. Step 3: Cross multiply
    137,379.96x = 205,715.04 × 94,816.75
  4. Step 4: Simplify right side
    137,379.96x = 19,505,231,518.92
  5. Step 5: Solve for x
    x = 19,505,231,518.92/137,379.96
  6. Step 6: Final answer
    x = 141,980.18

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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.