Home / 125,676.18-188,515.56-36,931.26

Finding the Fourth Proportional to 125,676.18, 188,515.56 and 36,931.26

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Solution

The fourth proportional to 125,676.18, 188,515.56 and 36,931.26 is: 55,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,676.18 : 188,515.56 = 36,931.26 : x
  2. Step 2: Convert to fraction form
    125,676.18/188,515.56 = 36,931.26/x
  3. Step 3: Cross multiply
    125,676.18x = 188,515.56 × 36,931.26
  4. Step 4: Simplify right side
    125,676.18x = 6,962,117,160.41
  5. Step 5: Solve for x
    x = 6,962,117,160.41/125,676.18
  6. Step 6: Final answer
    x = 55,397.27

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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.