Home / 108,929.40-162,956.70-94,300.80

Finding the Fourth Proportional to 108,929.40, 162,956.70 and 94,300.80

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Solution

The fourth proportional to 108,929.40, 162,956.70 and 94,300.80 is: 141,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,929.40 : 162,956.70 = 94,300.80 : x
  2. Step 2: Convert to fraction form
    108,929.40/162,956.70 = 94,300.80/x
  3. Step 3: Cross multiply
    108,929.40x = 162,956.70 × 94,300.80
  4. Step 4: Simplify right side
    108,929.40x = 15,366,947,175.36
  5. Step 5: Solve for x
    x = 15,366,947,175.36/108,929.40
  6. Step 6: Final answer
    x = 141,072.54

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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.