Home / 119,651.18-179,421.89-40,733.28

Finding the Fourth Proportional to 119,651.18, 179,421.89 and 40,733.28

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Solution

The fourth proportional to 119,651.18, 179,421.89 and 40,733.28 is: 61,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,651.18 : 179,421.89 = 40,733.28 : x
  2. Step 2: Convert to fraction form
    119,651.18/179,421.89 = 40,733.28/x
  3. Step 3: Cross multiply
    119,651.18x = 179,421.89 × 40,733.28
  4. Step 4: Simplify right side
    119,651.18x = 7,308,441,879.83
  5. Step 5: Solve for x
    x = 7,308,441,879.83/119,651.18
  6. Step 6: Final answer
    x = 61,081.24

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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.