Home / 108,053.30-161,885.55-92,501.30

Finding the Fourth Proportional to 108,053.30, 161,885.55 and 92,501.30

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Solution

The fourth proportional to 108,053.30, 161,885.55 and 92,501.30 is: 138,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,053.30 : 161,885.55 = 92,501.30 : x
  2. Step 2: Convert to fraction form
    108,053.30/161,885.55 = 92,501.30/x
  3. Step 3: Cross multiply
    108,053.30x = 161,885.55 × 92,501.30
  4. Step 4: Simplify right side
    108,053.30x = 14,974,623,826.22
  5. Step 5: Solve for x
    x = 14,974,623,826.22/108,053.30
  6. Step 6: Final answer
    x = 138,585.53

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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.