Home / 274,698.18-412,000.02-82,569.69

Finding the Fourth Proportional to 274,698.18, 412,000.02 and 82,569.69

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Solution

The fourth proportional to 274,698.18, 412,000.02 and 82,569.69 is: 123,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,698.18 : 412,000.02 = 82,569.69 : x
  2. Step 2: Convert to fraction form
    274,698.18/412,000.02 = 82,569.69/x
  3. Step 3: Cross multiply
    274,698.18x = 412,000.02 × 82,569.69
  4. Step 4: Simplify right side
    274,698.18x = 34,018,713,931.39
  5. Step 5: Solve for x
    x = 34,018,713,931.39/274,698.18
  6. Step 6: Final answer
    x = 123,840.33

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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.