Home / 259,087.18-388,630.77-101,204.92

Finding the Fourth Proportional to 259,087.18, 388,630.77 and 101,204.92

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Solution

The fourth proportional to 259,087.18, 388,630.77 and 101,204.92 is: 151,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,087.18 : 388,630.77 = 101,204.92 : x
  2. Step 2: Convert to fraction form
    259,087.18/388,630.77 = 101,204.92/x
  3. Step 3: Cross multiply
    259,087.18x = 388,630.77 × 101,204.92
  4. Step 4: Simplify right side
    259,087.18x = 39,331,345,987.39
  5. Step 5: Solve for x
    x = 39,331,345,987.39/259,087.18
  6. Step 6: Final answer
    x = 151,807.38

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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.