Home / 193,640.22-289,838.73-103,457.58

Finding the Fourth Proportional to 193,640.22, 289,838.73 and 103,457.58

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Solution

The fourth proportional to 193,640.22, 289,838.73 and 103,457.58 is: 154,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,640.22 : 289,838.73 = 103,457.58 : x
  2. Step 2: Convert to fraction form
    193,640.22/289,838.73 = 103,457.58/x
  3. Step 3: Cross multiply
    193,640.22x = 289,838.73 × 103,457.58
  4. Step 4: Simplify right side
    193,640.22x = 29,986,013,596.07
  5. Step 5: Solve for x
    x = 29,986,013,596.07/193,640.22
  6. Step 6: Final answer
    x = 154,854.26

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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.