Home / 146,639.63-202,366.96-82,976.06

Finding the Fourth Proportional to 146,639.63, 202,366.96 and 82,976.06

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Solution

The fourth proportional to 146,639.63, 202,366.96 and 82,976.06 is: 114,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,639.63 : 202,366.96 = 82,976.06 : x
  2. Step 2: Convert to fraction form
    146,639.63/202,366.96 = 82,976.06/x
  3. Step 3: Cross multiply
    146,639.63x = 202,366.96 × 82,976.06
  4. Step 4: Simplify right side
    146,639.63x = 16,791,613,313.45
  5. Step 5: Solve for x
    x = 16,791,613,313.45/146,639.63
  6. Step 6: Final answer
    x = 114,509.38

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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.