Home / 203,039.10-304,499.52-60,878.70

Finding the Fourth Proportional to 203,039.10, 304,499.52 and 60,878.70

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Solution

The fourth proportional to 203,039.10, 304,499.52 and 60,878.70 is: 91,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,039.10 : 304,499.52 = 60,878.70 : x
  2. Step 2: Convert to fraction form
    203,039.10/304,499.52 = 60,878.70/x
  3. Step 3: Cross multiply
    203,039.10x = 304,499.52 × 60,878.70
  4. Step 4: Simplify right side
    203,039.10x = 18,537,534,928.22
  5. Step 5: Solve for x
    x = 18,537,534,928.22/203,039.10
  6. Step 6: Final answer
    x = 91,300.32

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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.