Home / 340,538.07-469,945.67-187,576.76

Finding the Fourth Proportional to 340,538.07, 469,945.67 and 187,576.76

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Solution

The fourth proportional to 340,538.07, 469,945.67 and 187,576.76 is: 258,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,538.07 : 469,945.67 = 187,576.76 : x
  2. Step 2: Convert to fraction form
    340,538.07/469,945.67 = 187,576.76/x
  3. Step 3: Cross multiply
    340,538.07x = 469,945.67 × 187,576.76
  4. Step 4: Simplify right side
    340,538.07x = 88,150,886,391.61
  5. Step 5: Solve for x
    x = 88,150,886,391.61/340,538.07
  6. Step 6: Final answer
    x = 258,857.65

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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.