Home / 108,505.08-163,007.76-104,021.12

Finding the Fourth Proportional to 108,505.08, 163,007.76 and 104,021.12

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Solution

The fourth proportional to 108,505.08, 163,007.76 and 104,021.12 is: 156,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,505.08 : 163,007.76 = 104,021.12 : x
  2. Step 2: Convert to fraction form
    108,505.08/163,007.76 = 104,021.12/x
  3. Step 3: Cross multiply
    108,505.08x = 163,007.76 × 104,021.12
  4. Step 4: Simplify right side
    108,505.08x = 16,956,248,948.85
  5. Step 5: Solve for x
    x = 16,956,248,948.85/108,505.08
  6. Step 6: Final answer
    x = 156,271.48

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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.