Home / 204,063.10-306,094.65-121,119.10

Finding the Fourth Proportional to 204,063.10, 306,094.65 and 121,119.10

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Solution

The fourth proportional to 204,063.10, 306,094.65 and 121,119.10 is: 181,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,063.10 : 306,094.65 = 121,119.10 : x
  2. Step 2: Convert to fraction form
    204,063.10/306,094.65 = 121,119.10/x
  3. Step 3: Cross multiply
    204,063.10x = 306,094.65 × 121,119.10
  4. Step 4: Simplify right side
    204,063.10x = 37,073,908,522.82
  5. Step 5: Solve for x
    x = 37,073,908,522.82/204,063.10
  6. Step 6: Final answer
    x = 181,678.65

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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.