Home / 261,786.84-392,316.96-119,283.85

Finding the Fourth Proportional to 261,786.84, 392,316.96 and 119,283.85

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Solution

The fourth proportional to 261,786.84, 392,316.96 and 119,283.85 is: 178,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,786.84 : 392,316.96 = 119,283.85 : x
  2. Step 2: Convert to fraction form
    261,786.84/392,316.96 = 119,283.85/x
  3. Step 3: Cross multiply
    261,786.84x = 392,316.96 × 119,283.85
  4. Step 4: Simplify right side
    261,786.84x = 46,797,077,409.10
  5. Step 5: Solve for x
    x = 46,797,077,409.10/261,786.84
  6. Step 6: Final answer
    x = 178,760.24

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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.