Home / 304,748.05-420,555.39-183,865.98

Finding the Fourth Proportional to 304,748.05, 420,555.39 and 183,865.98

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Solution

The fourth proportional to 304,748.05, 420,555.39 and 183,865.98 is: 253,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,748.05 : 420,555.39 = 183,865.98 : x
  2. Step 2: Convert to fraction form
    304,748.05/420,555.39 = 183,865.98/x
  3. Step 3: Cross multiply
    304,748.05x = 420,555.39 × 183,865.98
  4. Step 4: Simplify right side
    304,748.05x = 77,325,828,926.63
  5. Step 5: Solve for x
    x = 77,325,828,926.63/304,748.05
  6. Step 6: Final answer
    x = 253,736.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.