Home / 257,977.08-356,001.57-143,252.19

Finding the Fourth Proportional to 257,977.08, 356,001.57 and 143,252.19

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Solution

The fourth proportional to 257,977.08, 356,001.57 and 143,252.19 is: 197,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,977.08 : 356,001.57 = 143,252.19 : x
  2. Step 2: Convert to fraction form
    257,977.08/356,001.57 = 143,252.19/x
  3. Step 3: Cross multiply
    257,977.08x = 356,001.57 × 143,252.19
  4. Step 4: Simplify right side
    257,977.08x = 50,998,004,545.94
  5. Step 5: Solve for x
    x = 50,998,004,545.94/257,977.08
  6. Step 6: Final answer
    x = 197,684.25

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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.