Home / 258,078.03-386,928.31-173,628.24

Finding the Fourth Proportional to 258,078.03, 386,928.31 and 173,628.24

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Solution

The fourth proportional to 258,078.03, 386,928.31 and 173,628.24 is: 260,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,078.03 : 386,928.31 = 173,628.24 : x
  2. Step 2: Convert to fraction form
    258,078.03/386,928.31 = 173,628.24/x
  3. Step 3: Cross multiply
    258,078.03x = 386,928.31 × 173,628.24
  4. Step 4: Simplify right side
    258,078.03x = 67,181,681,471.47
  5. Step 5: Solve for x
    x = 67,181,681,471.47/258,078.03
  6. Step 6: Final answer
    x = 260,315.38

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1.5x scale

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.