Home / 103,075.99-154,618.65-28,194.46

Finding the Fourth Proportional to 103,075.99, 154,618.65 and 28,194.46

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Solution

The fourth proportional to 103,075.99, 154,618.65 and 28,194.46 is: 42,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,075.99 : 154,618.65 = 28,194.46 : x
  2. Step 2: Convert to fraction form
    103,075.99/154,618.65 = 28,194.46/x
  3. Step 3: Cross multiply
    103,075.99x = 154,618.65 × 28,194.46
  4. Step 4: Simplify right side
    103,075.99x = 4,359,389,342.68
  5. Step 5: Solve for x
    x = 4,359,389,342.68/103,075.99
  6. Step 6: Final answer
    x = 42,292.97

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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.