Home / 204,050.40-306,075.60-147,625.80

Finding the Fourth Proportional to 204,050.40, 306,075.60 and 147,625.80

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Solution

The fourth proportional to 204,050.40, 306,075.60 and 147,625.80 is: 221,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,050.40 : 306,075.60 = 147,625.80 : x
  2. Step 2: Convert to fraction form
    204,050.40/306,075.60 = 147,625.80/x
  3. Step 3: Cross multiply
    204,050.40x = 306,075.60 × 147,625.80
  4. Step 4: Simplify right side
    204,050.40x = 45,184,655,310.48
  5. Step 5: Solve for x
    x = 45,184,655,310.48/204,050.40
  6. Step 6: Final answer
    x = 221,438.70

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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.