Home / 146,709.20-202,437.96-83,043.20

Finding the Fourth Proportional to 146,709.20, 202,437.96 and 83,043.20

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Solution

The fourth proportional to 146,709.20, 202,437.96 and 83,043.20 is: 114,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709.20 : 202,437.96 = 83,043.20 : x
  2. Step 2: Convert to fraction form
    146,709.20/202,437.96 = 83,043.20/x
  3. Step 3: Cross multiply
    146,709.20x = 202,437.96 × 83,043.20
  4. Step 4: Simplify right side
    146,709.20x = 16,811,095,999.87
  5. Step 5: Solve for x
    x = 16,811,095,999.87/146,709.20
  6. Step 6: Final answer
    x = 114,587.88

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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.