Home / 321,961.98-482,746.14-153,533.82

Finding the Fourth Proportional to 321,961.98, 482,746.14 and 153,533.82

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Solution

The fourth proportional to 321,961.98, 482,746.14 and 153,533.82 is: 230,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,961.98 : 482,746.14 = 153,533.82 : x
  2. Step 2: Convert to fraction form
    321,961.98/482,746.14 = 153,533.82/x
  3. Step 3: Cross multiply
    321,961.98x = 482,746.14 × 153,533.82
  4. Step 4: Simplify right side
    321,961.98x = 74,117,858,964.45
  5. Step 5: Solve for x
    x = 74,117,858,964.45/321,961.98
  6. Step 6: Final answer
    x = 230,206.87

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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.