Home / 147,823.97-221,741.67-51,742.58

Finding the Fourth Proportional to 147,823.97, 221,741.67 and 51,742.58

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Solution

The fourth proportional to 147,823.97, 221,741.67 and 51,742.58 is: 77,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,823.97 : 221,741.67 = 51,742.58 : x
  2. Step 2: Convert to fraction form
    147,823.97/221,741.67 = 51,742.58/x
  3. Step 3: Cross multiply
    147,823.97x = 221,741.67 × 51,742.58
  4. Step 4: Simplify right side
    147,823.97x = 11,473,486,099.31
  5. Step 5: Solve for x
    x = 11,473,486,099.31/147,823.97
  6. Step 6: Final answer
    x = 77,615.87

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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.