Home / 203,470.24-304,895.52-103,480.60

Finding the Fourth Proportional to 203,470.24, 304,895.52 and 103,480.60

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Solution

The fourth proportional to 203,470.24, 304,895.52 and 103,480.60 is: 155,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,470.24 : 304,895.52 = 103,480.60 : x
  2. Step 2: Convert to fraction form
    203,470.24/304,895.52 = 103,480.60/x
  3. Step 3: Cross multiply
    203,470.24x = 304,895.52 × 103,480.60
  4. Step 4: Simplify right side
    203,470.24x = 31,550,771,346.91
  5. Step 5: Solve for x
    x = 31,550,771,346.91/203,470.24
  6. Step 6: Final answer
    x = 155,063.32

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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.