Home / 312,176.23-430,804.51-168,936.27

Finding the Fourth Proportional to 312,176.23, 430,804.51 and 168,936.27

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Solution

The fourth proportional to 312,176.23, 430,804.51 and 168,936.27 is: 233,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,176.23 : 430,804.51 = 168,936.27 : x
  2. Step 2: Convert to fraction form
    312,176.23/430,804.51 = 168,936.27/x
  3. Step 3: Cross multiply
    312,176.23x = 430,804.51 × 168,936.27
  4. Step 4: Simplify right side
    312,176.23x = 72,778,504,980.72
  5. Step 5: Solve for x
    x = 72,778,504,980.72/312,176.23
  6. Step 6: Final answer
    x = 233,132.76

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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.