Home / 220,742.63-331,117.11-62,971.10

Finding the Fourth Proportional to 220,742.63, 331,117.11 and 62,971.10

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Solution

The fourth proportional to 220,742.63, 331,117.11 and 62,971.10 is: 94,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,742.63 : 331,117.11 = 62,971.10 : x
  2. Step 2: Convert to fraction form
    220,742.63/331,117.11 = 62,971.10/x
  3. Step 3: Cross multiply
    220,742.63x = 331,117.11 × 62,971.10
  4. Step 4: Simplify right side
    220,742.63x = 20,850,806,989.94
  5. Step 5: Solve for x
    x = 20,850,806,989.94/220,742.63
  6. Step 6: Final answer
    x = 94,457.55

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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.