Home / 130,879.94-196,341.79-46,688.65

Finding the Fourth Proportional to 130,879.94, 196,341.79 and 46,688.65

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Solution

The fourth proportional to 130,879.94, 196,341.79 and 46,688.65 is: 70,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,879.94 : 196,341.79 = 46,688.65 : x
  2. Step 2: Convert to fraction form
    130,879.94/196,341.79 = 46,688.65/x
  3. Step 3: Cross multiply
    130,879.94x = 196,341.79 × 46,688.65
  4. Step 4: Simplify right side
    130,879.94x = 9,166,932,506.11
  5. Step 5: Solve for x
    x = 9,166,932,506.11/130,879.94
  6. Step 6: Final answer
    x = 70,040.77

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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.