Home / 203,134.06-304,088.73-109,355.50

Finding the Fourth Proportional to 203,134.06, 304,088.73 and 109,355.50

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Solution

The fourth proportional to 203,134.06, 304,088.73 and 109,355.50 is: 163,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,134.06 : 304,088.73 = 109,355.50 : x
  2. Step 2: Convert to fraction form
    203,134.06/304,088.73 = 109,355.50/x
  3. Step 3: Cross multiply
    203,134.06x = 304,088.73 × 109,355.50
  4. Step 4: Simplify right side
    203,134.06x = 33,253,775,113.52
  5. Step 5: Solve for x
    x = 33,253,775,113.52/203,134.06
  6. Step 6: Final answer
    x = 163,703.59

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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.