Home / 130,879.19-196,340.66-46,687.89

Finding the Fourth Proportional to 130,879.19, 196,340.66 and 46,687.89

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Solution

The fourth proportional to 130,879.19, 196,340.66 and 46,687.89 is: 70,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,879.19 : 196,340.66 = 46,687.89 : x
  2. Step 2: Convert to fraction form
    130,879.19/196,340.66 = 46,687.89/x
  3. Step 3: Cross multiply
    130,879.19x = 196,340.66 × 46,687.89
  4. Step 4: Simplify right side
    130,879.19x = 9,166,731,814.53
  5. Step 5: Solve for x
    x = 9,166,731,814.53/130,879.19
  6. Step 6: Final answer
    x = 70,039.64

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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.