Home / 146,219.40-219,329.10-57,475.80

Finding the Fourth Proportional to 146,219.40, 219,329.10 and 57,475.80

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Solution

The fourth proportional to 146,219.40, 219,329.10 and 57,475.80 is: 86,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,219.40 : 219,329.10 = 57,475.80 : x
  2. Step 2: Convert to fraction form
    146,219.40/219,329.10 = 57,475.80/x
  3. Step 3: Cross multiply
    146,219.40x = 219,329.10 × 57,475.80
  4. Step 4: Simplify right side
    146,219.40x = 12,606,115,485.78
  5. Step 5: Solve for x
    x = 12,606,115,485.78/146,219.40
  6. Step 6: Final answer
    x = 86,213.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.