Home / 121,214.04-181,896.78-46,340.52

Finding the Fourth Proportional to 121,214.04, 181,896.78 and 46,340.52

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Solution

The fourth proportional to 121,214.04, 181,896.78 and 46,340.52 is: 69,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.04 : 181,896.78 = 46,340.52 : x
  2. Step 2: Convert to fraction form
    121,214.04/181,896.78 = 46,340.52/x
  3. Step 3: Cross multiply
    121,214.04x = 181,896.78 × 46,340.52
  4. Step 4: Simplify right side
    121,214.04x = 8,429,191,371.53
  5. Step 5: Solve for x
    x = 8,429,191,371.53/121,214.04
  6. Step 6: Final answer
    x = 69,539.73

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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.