Home / 161,555.16-242,314.20-43,235.73

Finding the Fourth Proportional to 161,555.16, 242,314.20 and 43,235.73

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Solution

The fourth proportional to 161,555.16, 242,314.20 and 43,235.73 is: 64,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,555.16 : 242,314.20 = 43,235.73 : x
  2. Step 2: Convert to fraction form
    161,555.16/242,314.20 = 43,235.73/x
  3. Step 3: Cross multiply
    161,555.16x = 242,314.20 × 43,235.73
  4. Step 4: Simplify right side
    161,555.16x = 10,476,631,326.37
  5. Step 5: Solve for x
    x = 10,476,631,326.37/161,555.16
  6. Step 6: Final answer
    x = 64,848.63

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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.