Home / 190,032.10-285,057.34-49,790.86

Finding the Fourth Proportional to 190,032.10, 285,057.34 and 49,790.86

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Solution

The fourth proportional to 190,032.10, 285,057.34 and 49,790.86 is: 74,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,032.10 : 285,057.34 = 49,790.86 : x
  2. Step 2: Convert to fraction form
    190,032.10/285,057.34 = 49,790.86/x
  3. Step 3: Cross multiply
    190,032.10x = 285,057.34 × 49,790.86
  4. Step 4: Simplify right side
    190,032.10x = 14,193,250,107.91
  5. Step 5: Solve for x
    x = 14,193,250,107.91/190,032.10
  6. Step 6: Final answer
    x = 74,688.70

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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.