Home / 300,070.17-414,056.75-165,942.81

Finding the Fourth Proportional to 300,070.17, 414,056.75 and 165,942.81

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Solution

The fourth proportional to 300,070.17, 414,056.75 and 165,942.81 is: 228,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,070.17 : 414,056.75 = 165,942.81 : x
  2. Step 2: Convert to fraction form
    300,070.17/414,056.75 = 165,942.81/x
  3. Step 3: Cross multiply
    300,070.17x = 414,056.75 × 165,942.81
  4. Step 4: Simplify right side
    300,070.17x = 68,709,739,764.75
  5. Step 5: Solve for x
    x = 68,709,739,764.75/300,070.17
  6. Step 6: Final answer
    x = 228,978.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.