Home / 190,407.75-262,762.70-105,537.57

Finding the Fourth Proportional to 190,407.75, 262,762.70 and 105,537.57

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Solution

The fourth proportional to 190,407.75, 262,762.70 and 105,537.57 is: 145,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,407.75 : 262,762.70 = 105,537.57 : x
  2. Step 2: Convert to fraction form
    190,407.75/262,762.70 = 105,537.57/x
  3. Step 3: Cross multiply
    190,407.75x = 262,762.70 × 105,537.57
  4. Step 4: Simplify right side
    190,407.75x = 27,731,336,316.95
  5. Step 5: Solve for x
    x = 27,731,336,316.95/190,407.75
  6. Step 6: Final answer
    x = 145,641.85

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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.