Home / 145,627.22-218,493.43-50,871.40

Finding the Fourth Proportional to 145,627.22, 218,493.43 and 50,871.40

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Solution

The fourth proportional to 145,627.22, 218,493.43 and 50,871.40 is: 76,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627.22 : 218,493.43 = 50,871.40 : x
  2. Step 2: Convert to fraction form
    145,627.22/218,493.43 = 50,871.40/x
  3. Step 3: Cross multiply
    145,627.22x = 218,493.43 × 50,871.40
  4. Step 4: Simplify right side
    145,627.22x = 11,115,066,001.49
  5. Step 5: Solve for x
    x = 11,115,066,001.49/145,627.22
  6. Step 6: Final answer
    x = 76,325.47

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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.