Home / 230,975.02-346,401.33-90,734.86

Finding the Fourth Proportional to 230,975.02, 346,401.33 and 90,734.86

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Solution

The fourth proportional to 230,975.02, 346,401.33 and 90,734.86 is: 136,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,975.02 : 346,401.33 = 90,734.86 : x
  2. Step 2: Convert to fraction form
    230,975.02/346,401.33 = 90,734.86/x
  3. Step 3: Cross multiply
    230,975.02x = 346,401.33 × 90,734.86
  4. Step 4: Simplify right side
    230,975.02x = 31,430,676,181.36
  5. Step 5: Solve for x
    x = 31,430,676,181.36/230,975.02
  6. Step 6: Final answer
    x = 136,078.25

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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.