Home / 106,436.30-146,882.40-58,688.60

Finding the Fourth Proportional to 106,436.30, 146,882.40 and 58,688.60

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Solution

The fourth proportional to 106,436.30, 146,882.40 and 58,688.60 is: 80,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,436.30 : 146,882.40 = 58,688.60 : x
  2. Step 2: Convert to fraction form
    106,436.30/146,882.40 = 58,688.60/x
  3. Step 3: Cross multiply
    106,436.30x = 146,882.40 × 58,688.60
  4. Step 4: Simplify right side
    106,436.30x = 8,620,322,420.64
  5. Step 5: Solve for x
    x = 8,620,322,420.64/106,436.30
  6. Step 6: Final answer
    x = 80,990.44

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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.