Home / 184,245.40-276,368.10-90,731.80

Finding the Fourth Proportional to 184,245.40, 276,368.10 and 90,731.80

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Solution

The fourth proportional to 184,245.40, 276,368.10 and 90,731.80 is: 136,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,245.40 : 276,368.10 = 90,731.80 : x
  2. Step 2: Convert to fraction form
    184,245.40/276,368.10 = 90,731.80/x
  3. Step 3: Cross multiply
    184,245.40x = 276,368.10 × 90,731.80
  4. Step 4: Simplify right side
    184,245.40x = 25,075,375,175.58
  5. Step 5: Solve for x
    x = 25,075,375,175.58/184,245.40
  6. Step 6: Final answer
    x = 136,097.70

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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.