Home / 146,021.08-219,123.76-57,272.22

Finding the Fourth Proportional to 146,021.08, 219,123.76 and 57,272.22

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Solution

The fourth proportional to 146,021.08, 219,123.76 and 57,272.22 is: 85,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.08 : 219,123.76 = 57,272.22 : x
  2. Step 2: Convert to fraction form
    146,021.08/219,123.76 = 57,272.22/x
  3. Step 3: Cross multiply
    146,021.08x = 219,123.76 × 57,272.22
  4. Step 4: Simplify right side
    146,021.08x = 12,549,704,189.95
  5. Step 5: Solve for x
    x = 12,549,704,189.95/146,021.08
  6. Step 6: Final answer
    x = 85,944.47

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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.