Home / 104,501.30-144,234.52-64,249.56

Finding the Fourth Proportional to 104,501.30, 144,234.52 and 64,249.56

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Solution

The fourth proportional to 104,501.30, 144,234.52 and 64,249.56 is: 88,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,501.30 : 144,234.52 = 64,249.56 : x
  2. Step 2: Convert to fraction form
    104,501.30/144,234.52 = 64,249.56/x
  3. Step 3: Cross multiply
    104,501.30x = 144,234.52 × 64,249.56
  4. Step 4: Simplify right side
    104,501.30x = 9,267,004,446.81
  5. Step 5: Solve for x
    x = 9,267,004,446.81/104,501.30
  6. Step 6: Final answer
    x = 88,678.37

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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.