Home / 156,626.31-216,045.99-92,919

Finding the Fourth Proportional to 156,626.31, 216,045.99 and 92,919

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Solution

The fourth proportional to 156,626.31, 216,045.99 and 92,919 is: 128,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626.31 : 216,045.99 = 92,919 : x
  2. Step 2: Convert to fraction form
    156,626.31/216,045.99 = 92,919/x
  3. Step 3: Cross multiply
    156,626.31x = 216,045.99 × 92,919
  4. Step 4: Simplify right side
    156,626.31x = 20,074,777,344.81
  5. Step 5: Solve for x
    x = 20,074,777,344.81/156,626.31
  6. Step 6: Final answer
    x = 128,169.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.