Home / 203,897.02-306,032.33-109,234.08

Finding the Fourth Proportional to 203,897.02, 306,032.33 and 109,234.08

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Solution

The fourth proportional to 203,897.02, 306,032.33 and 109,234.08 is: 163,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,897.02 : 306,032.33 = 109,234.08 : x
  2. Step 2: Convert to fraction form
    203,897.02/306,032.33 = 109,234.08/x
  3. Step 3: Cross multiply
    203,897.02x = 306,032.33 × 109,234.08
  4. Step 4: Simplify right side
    203,897.02x = 33,429,160,017.81
  5. Step 5: Solve for x
    x = 33,429,160,017.81/203,897.02
  6. Step 6: Final answer
    x = 163,951.19

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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.