Home / 108,279.84-161,635.56-93,583.20

Finding the Fourth Proportional to 108,279.84, 161,635.56 and 93,583.20

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Solution

The fourth proportional to 108,279.84, 161,635.56 and 93,583.20 is: 139,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,279.84 : 161,635.56 = 93,583.20 : x
  2. Step 2: Convert to fraction form
    108,279.84/161,635.56 = 93,583.20/x
  3. Step 3: Cross multiply
    108,279.84x = 161,635.56 × 93,583.20
  4. Step 4: Simplify right side
    108,279.84x = 15,126,372,938.59
  5. Step 5: Solve for x
    x = 15,126,372,938.59/108,279.84
  6. Step 6: Final answer
    x = 139,697.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.