Home / 232,442.36-320,775.90-131,840.36

Finding the Fourth Proportional to 232,442.36, 320,775.90 and 131,840.36

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Solution

The fourth proportional to 232,442.36, 320,775.90 and 131,840.36 is: 181,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,442.36 : 320,775.90 = 131,840.36 : x
  2. Step 2: Convert to fraction form
    232,442.36/320,775.90 = 131,840.36/x
  3. Step 3: Cross multiply
    232,442.36x = 320,775.90 × 131,840.36
  4. Step 4: Simplify right side
    232,442.36x = 42,291,210,135.32
  5. Step 5: Solve for x
    x = 42,291,210,135.32/232,442.36
  6. Step 6: Final answer
    x = 181,942.78

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1.5x scale

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.