Home / 107,526.27-161,256.60-28,630.25

Finding the Fourth Proportional to 107,526.27, 161,256.60 and 28,630.25

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Solution

The fourth proportional to 107,526.27, 161,256.60 and 28,630.25 is: 42,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,526.27 : 161,256.60 = 28,630.25 : x
  2. Step 2: Convert to fraction form
    107,526.27/161,256.60 = 28,630.25/x
  3. Step 3: Cross multiply
    107,526.27x = 161,256.60 × 28,630.25
  4. Step 4: Simplify right side
    107,526.27x = 4,616,815,965.87
  5. Step 5: Solve for x
    x = 4,616,815,965.87/107,526.27
  6. Step 6: Final answer
    x = 42,936.63

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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.