Home / 106,213.36-146,579.70-58,466.20

Finding the Fourth Proportional to 106,213.36, 146,579.70 and 58,466.20

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Solution

The fourth proportional to 106,213.36, 146,579.70 and 58,466.20 is: 80,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,213.36 : 146,579.70 = 58,466.20 : x
  2. Step 2: Convert to fraction form
    106,213.36/146,579.70 = 58,466.20/x
  3. Step 3: Cross multiply
    106,213.36x = 146,579.70 × 58,466.20
  4. Step 4: Simplify right side
    106,213.36x = 8,569,958,056.14
  5. Step 5: Solve for x
    x = 8,569,958,056.14/106,213.36
  6. Step 6: Final answer
    x = 80,686.25

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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.