Home / 258,576.24-357,041.88-167,977.20

Finding the Fourth Proportional to 258,576.24, 357,041.88 and 167,977.20

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Solution

The fourth proportional to 258,576.24, 357,041.88 and 167,977.20 is: 231,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,576.24 : 357,041.88 = 167,977.20 : x
  2. Step 2: Convert to fraction form
    258,576.24/357,041.88 = 167,977.20/x
  3. Step 3: Cross multiply
    258,576.24x = 357,041.88 × 167,977.20
  4. Step 4: Simplify right side
    258,576.24x = 59,974,895,285.14
  5. Step 5: Solve for x
    x = 59,974,895,285.14/258,576.24
  6. Step 6: Final answer
    x = 231,942.79

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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.