Home / 106,427.36-146,870.75-58,682.40

Finding the Fourth Proportional to 106,427.36, 146,870.75 and 58,682.40

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Solution

The fourth proportional to 106,427.36, 146,870.75 and 58,682.40 is: 80,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.36 : 146,870.75 = 58,682.40 : x
  2. Step 2: Convert to fraction form
    106,427.36/146,870.75 = 58,682.40/x
  3. Step 3: Cross multiply
    106,427.36x = 146,870.75 × 58,682.40
  4. Step 4: Simplify right side
    106,427.36x = 8,618,728,246.51
  5. Step 5: Solve for x
    x = 8,618,728,246.51/106,427.36
  6. Step 6: Final answer
    x = 80,982.26

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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.