Home / 146,580.63-202,286.24-86,150.40

Finding the Fourth Proportional to 146,580.63, 202,286.24 and 86,150.40

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Solution

The fourth proportional to 146,580.63, 202,286.24 and 86,150.40 is: 118,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,580.63 : 202,286.24 = 86,150.40 : x
  2. Step 2: Convert to fraction form
    146,580.63/202,286.24 = 86,150.40/x
  3. Step 3: Cross multiply
    146,580.63x = 202,286.24 × 86,150.40
  4. Step 4: Simplify right side
    146,580.63x = 17,427,040,059.74
  5. Step 5: Solve for x
    x = 17,427,040,059.74/146,580.63
  6. Step 6: Final answer
    x = 118,890.47

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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.