Home / 146,478.72-202,148.64-82,822.08

Finding the Fourth Proportional to 146,478.72, 202,148.64 and 82,822.08

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Solution

The fourth proportional to 146,478.72, 202,148.64 and 82,822.08 is: 114,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,478.72 : 202,148.64 = 82,822.08 : x
  2. Step 2: Convert to fraction form
    146,478.72/202,148.64 = 82,822.08/x
  3. Step 3: Cross multiply
    146,478.72x = 202,148.64 × 82,822.08
  4. Step 4: Simplify right side
    146,478.72x = 16,742,370,833.97
  5. Step 5: Solve for x
    x = 16,742,370,833.97/146,478.72
  6. Step 6: Final answer
    x = 114,299.00

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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.