Home / 369,465.03-509,860.98-199,698.75

Finding the Fourth Proportional to 369,465.03, 509,860.98 and 199,698.75

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Solution

The fourth proportional to 369,465.03, 509,860.98 and 199,698.75 is: 275,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,465.03 : 509,860.98 = 199,698.75 : x
  2. Step 2: Convert to fraction form
    369,465.03/509,860.98 = 199,698.75/x
  3. Step 3: Cross multiply
    369,465.03x = 509,860.98 × 199,698.75
  4. Step 4: Simplify right side
    369,465.03x = 101,818,600,379.78
  5. Step 5: Solve for x
    x = 101,818,600,379.78/369,465.03
  6. Step 6: Final answer
    x = 275,583.86

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1.5x scale

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.