Home / 146,633.20-219,860.70-57,784.30

Finding the Fourth Proportional to 146,633.20, 219,860.70 and 57,784.30

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Solution

The fourth proportional to 146,633.20, 219,860.70 and 57,784.30 is: 86,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,633.20 : 219,860.70 = 57,784.30 : x
  2. Step 2: Convert to fraction form
    146,633.20/219,860.70 = 57,784.30/x
  3. Step 3: Cross multiply
    146,633.20x = 219,860.70 × 57,784.30
  4. Step 4: Simplify right side
    146,633.20x = 12,704,496,647.01
  5. Step 5: Solve for x
    x = 12,704,496,647.01/146,633.20
  6. Step 6: Final answer
    x = 86,641.34

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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.