Home / 145,575.44-218,363.26-40,394.51

Finding the Fourth Proportional to 145,575.44, 218,363.26 and 40,394.51

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Solution

The fourth proportional to 145,575.44, 218,363.26 and 40,394.51 is: 60,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575.44 : 218,363.26 = 40,394.51 : x
  2. Step 2: Convert to fraction form
    145,575.44/218,363.26 = 40,394.51/x
  3. Step 3: Cross multiply
    145,575.44x = 218,363.26 × 40,394.51
  4. Step 4: Simplify right side
    145,575.44x = 8,820,676,889.70
  5. Step 5: Solve for x
    x = 8,820,676,889.70/145,575.44
  6. Step 6: Final answer
    x = 60,591.79

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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.