Home / 183,601.92-275,416.14-76,878.50

Finding the Fourth Proportional to 183,601.92, 275,416.14 and 76,878.50

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Solution

The fourth proportional to 183,601.92, 275,416.14 and 76,878.50 is: 115,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,601.92 : 275,416.14 = 76,878.50 : x
  2. Step 2: Convert to fraction form
    183,601.92/275,416.14 = 76,878.50/x
  3. Step 3: Cross multiply
    183,601.92x = 275,416.14 × 76,878.50
  4. Step 4: Simplify right side
    183,601.92x = 21,173,579,718.99
  5. Step 5: Solve for x
    x = 21,173,579,718.99/183,601.92
  6. Step 6: Final answer
    x = 115,323.30

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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.