Home / 190,184.23-285,329.66-76,411.93

Finding the Fourth Proportional to 190,184.23, 285,329.66 and 76,411.93

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Solution

The fourth proportional to 190,184.23, 285,329.66 and 76,411.93 is: 114,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,184.23 : 285,329.66 = 76,411.93 : x
  2. Step 2: Convert to fraction form
    190,184.23/285,329.66 = 76,411.93/x
  3. Step 3: Cross multiply
    190,184.23x = 285,329.66 × 76,411.93
  4. Step 4: Simplify right side
    190,184.23x = 21,802,588,198.14
  5. Step 5: Solve for x
    x = 21,802,588,198.14/190,184.23
  6. Step 6: Final answer
    x = 114,639.31

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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.