Home / 121,074.06-181,663.32-46,216.68

Finding the Fourth Proportional to 121,074.06, 181,663.32 and 46,216.68

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Solution

The fourth proportional to 121,074.06, 181,663.32 and 46,216.68 is: 69,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,074.06 : 181,663.32 = 46,216.68 : x
  2. Step 2: Convert to fraction form
    121,074.06/181,663.32 = 46,216.68/x
  3. Step 3: Cross multiply
    121,074.06x = 181,663.32 × 46,216.68
  4. Step 4: Simplify right side
    121,074.06x = 8,395,875,528.18
  5. Step 5: Solve for x
    x = 8,395,875,528.18/121,074.06
  6. Step 6: Final answer
    x = 69,344.96

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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.