Home / 190,511.22-262,784.99-122,411.15

Finding the Fourth Proportional to 190,511.22, 262,784.99 and 122,411.15

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Solution

The fourth proportional to 190,511.22, 262,784.99 and 122,411.15 is: 168,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,511.22 : 262,784.99 = 122,411.15 : x
  2. Step 2: Convert to fraction form
    190,511.22/262,784.99 = 122,411.15/x
  3. Step 3: Cross multiply
    190,511.22x = 262,784.99 × 122,411.15
  4. Step 4: Simplify right side
    190,511.22x = 32,167,812,806.19
  5. Step 5: Solve for x
    x = 32,167,812,806.19/190,511.22
  6. Step 6: Final answer
    x = 168,849.96

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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.