Home / 359,724.69-496,417.41-198,579.69

Finding the Fourth Proportional to 359,724.69, 496,417.41 and 198,579.69

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Solution

The fourth proportional to 359,724.69, 496,417.41 and 198,579.69 is: 274,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,724.69 : 496,417.41 = 198,579.69 : x
  2. Step 2: Convert to fraction form
    359,724.69/496,417.41 = 198,579.69/x
  3. Step 3: Cross multiply
    359,724.69x = 496,417.41 × 198,579.69
  4. Step 4: Simplify right side
    359,724.69x = 98,578,415,388.40
  5. Step 5: Solve for x
    x = 98,578,415,388.40/359,724.69
  6. Step 6: Final answer
    x = 274,038.50

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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.