Home / 248,545.60-372,485.76-90,625.12

Finding the Fourth Proportional to 248,545.60, 372,485.76 and 90,625.12

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Solution

The fourth proportional to 248,545.60, 372,485.76 and 90,625.12 is: 135,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,545.60 : 372,485.76 = 90,625.12 : x
  2. Step 2: Convert to fraction form
    248,545.60/372,485.76 = 90,625.12/x
  3. Step 3: Cross multiply
    248,545.60x = 372,485.76 × 90,625.12
  4. Step 4: Simplify right side
    248,545.60x = 33,756,566,698.29
  5. Step 5: Solve for x
    x = 33,756,566,698.29/248,545.60
  6. Step 6: Final answer
    x = 135,816.39

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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.