Home / 312,205.56-430,844.94-168,965.52

Finding the Fourth Proportional to 312,205.56, 430,844.94 and 168,965.52

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Solution

The fourth proportional to 312,205.56, 430,844.94 and 168,965.52 is: 233,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,205.56 : 430,844.94 = 168,965.52 : x
  2. Step 2: Convert to fraction form
    312,205.56/430,844.94 = 168,965.52/x
  3. Step 3: Cross multiply
    312,205.56x = 430,844.94 × 168,965.52
  4. Step 4: Simplify right side
    312,205.56x = 72,797,939,326.47
  5. Step 5: Solve for x
    x = 72,797,939,326.47/312,205.56
  6. Step 6: Final answer
    x = 233,173.10

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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.