Home / 341,205.24-511,873.47-130,826.78

Finding the Fourth Proportional to 341,205.24, 511,873.47 and 130,826.78

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Solution

The fourth proportional to 341,205.24, 511,873.47 and 130,826.78 is: 196,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,205.24 : 511,873.47 = 130,826.78 : x
  2. Step 2: Convert to fraction form
    341,205.24/511,873.47 = 130,826.78/x
  3. Step 3: Cross multiply
    341,205.24x = 511,873.47 × 130,826.78
  4. Step 4: Simplify right side
    341,205.24x = 66,966,755,288.16
  5. Step 5: Solve for x
    x = 66,966,755,288.16/341,205.24
  6. Step 6: Final answer
    x = 196,265.32

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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.