Home / 303,120.51-418,296.66-167,160.18

Finding the Fourth Proportional to 303,120.51, 418,296.66 and 167,160.18

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Solution

The fourth proportional to 303,120.51, 418,296.66 and 167,160.18 is: 230,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,120.51 : 418,296.66 = 167,160.18 : x
  2. Step 2: Convert to fraction form
    303,120.51/418,296.66 = 167,160.18/x
  3. Step 3: Cross multiply
    303,120.51x = 418,296.66 × 167,160.18
  4. Step 4: Simplify right side
    303,120.51x = 69,922,544,979.00
  5. Step 5: Solve for x
    x = 69,922,544,979.00/303,120.51
  6. Step 6: Final answer
    x = 230,675.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.