Home / 204,081.16-306,104.46-70,938.76

Finding the Fourth Proportional to 204,081.16, 306,104.46 and 70,938.76

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Solution

The fourth proportional to 204,081.16, 306,104.46 and 70,938.76 is: 106,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,081.16 : 306,104.46 = 70,938.76 : x
  2. Step 2: Convert to fraction form
    204,081.16/306,104.46 = 70,938.76/x
  3. Step 3: Cross multiply
    204,081.16x = 306,104.46 × 70,938.76
  4. Step 4: Simplify right side
    204,081.16x = 21,714,670,822.87
  5. Step 5: Solve for x
    x = 21,714,670,822.87/204,081.16
  6. Step 6: Final answer
    x = 106,402.13

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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.