Home / 190,051.11-284,879.84-156,417.77

Finding the Fourth Proportional to 190,051.11, 284,879.84 and 156,417.77

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Solution

The fourth proportional to 190,051.11, 284,879.84 and 156,417.77 is: 234,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,051.11 : 284,879.84 = 156,417.77 : x
  2. Step 2: Convert to fraction form
    190,051.11/284,879.84 = 156,417.77/x
  3. Step 3: Cross multiply
    190,051.11x = 284,879.84 × 156,417.77
  4. Step 4: Simplify right side
    190,051.11x = 44,560,269,220.87
  5. Step 5: Solve for x
    x = 44,560,269,220.87/190,051.11
  6. Step 6: Final answer
    x = 234,464.66

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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.