Home / 106,119.90-146,445.80-58,376.28

Finding the Fourth Proportional to 106,119.90, 146,445.80 and 58,376.28

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Solution

The fourth proportional to 106,119.90, 146,445.80 and 58,376.28 is: 80,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,119.90 : 146,445.80 = 58,376.28 : x
  2. Step 2: Convert to fraction form
    106,119.90/146,445.80 = 58,376.28/x
  3. Step 3: Cross multiply
    106,119.90x = 146,445.80 × 58,376.28
  4. Step 4: Simplify right side
    106,119.90x = 8,548,961,025.62
  5. Step 5: Solve for x
    x = 8,548,961,025.62/106,119.90
  6. Step 6: Final answer
    x = 80,559.45

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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.