Home / 389,151.90-536,947.74-236,270.43

Finding the Fourth Proportional to 389,151.90, 536,947.74 and 236,270.43

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Solution

The fourth proportional to 389,151.90, 536,947.74 and 236,270.43 is: 326,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,151.90 : 536,947.74 = 236,270.43 : x
  2. Step 2: Convert to fraction form
    389,151.90/536,947.74 = 236,270.43/x
  3. Step 3: Cross multiply
    389,151.90x = 536,947.74 × 236,270.43
  4. Step 4: Simplify right side
    389,151.90x = 126,864,873,417.33
  5. Step 5: Solve for x
    x = 126,864,873,417.33/389,151.90
  6. Step 6: Final answer
    x = 326,003.48

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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.