Home / 104,050.20-156,075.30-102,667.80

Finding the Fourth Proportional to 104,050.20, 156,075.30 and 102,667.80

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Solution

The fourth proportional to 104,050.20, 156,075.30 and 102,667.80 is: 154,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,050.20 : 156,075.30 = 102,667.80 : x
  2. Step 2: Convert to fraction form
    104,050.20/156,075.30 = 102,667.80/x
  3. Step 3: Cross multiply
    104,050.20x = 156,075.30 × 102,667.80
  4. Step 4: Simplify right side
    104,050.20x = 16,023,907,685.34
  5. Step 5: Solve for x
    x = 16,023,907,685.34/104,050.20
  6. Step 6: Final answer
    x = 154,001.70

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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.