Home / 189,430.88-283,834-169,898.56

Finding the Fourth Proportional to 189,430.88, 283,834 and 169,898.56

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Solution

The fourth proportional to 189,430.88, 283,834 and 169,898.56 is: 254,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,430.88 : 283,834 = 169,898.56 : x
  2. Step 2: Convert to fraction form
    189,430.88/283,834 = 169,898.56/x
  3. Step 3: Cross multiply
    189,430.88x = 283,834 × 169,898.56
  4. Step 4: Simplify right side
    189,430.88x = 48,222,987,879.04
  5. Step 5: Solve for x
    x = 48,222,987,879.04/189,430.88
  6. Step 6: Final answer
    x = 254,567.72

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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.