Home / 40,189.88-60,298.32-28,194.53

Finding the Fourth Proportional to 40,189.88, 60,298.32 and 28,194.53

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Solution

The fourth proportional to 40,189.88, 60,298.32 and 28,194.53 is: 42,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.88 : 60,298.32 = 28,194.53 : x
  2. Step 2: Convert to fraction form
    40,189.88/60,298.32 = 28,194.53/x
  3. Step 3: Cross multiply
    40,189.88x = 60,298.32 × 28,194.53
  4. Step 4: Simplify right side
    40,189.88x = 1,700,083,048.66
  5. Step 5: Solve for x
    x = 1,700,083,048.66/40,189.88
  6. Step 6: Final answer
    x = 42,301.27

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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.