Home / 240,359.81-331,683.04-131,442.48

Finding the Fourth Proportional to 240,359.81, 331,683.04 and 131,442.48

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Solution

The fourth proportional to 240,359.81, 331,683.04 and 131,442.48 is: 181,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,359.81 : 331,683.04 = 131,442.48 : x
  2. Step 2: Convert to fraction form
    240,359.81/331,683.04 = 131,442.48/x
  3. Step 3: Cross multiply
    240,359.81x = 331,683.04 × 131,442.48
  4. Step 4: Simplify right side
    240,359.81x = 43,597,240,631.36
  5. Step 5: Solve for x
    x = 43,597,240,631.36/240,359.81
  6. Step 6: Final answer
    x = 181,383.24

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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.