Home / 148,124.05-204,354.11-102,779.34

Finding the Fourth Proportional to 148,124.05, 204,354.11 and 102,779.34

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Solution

The fourth proportional to 148,124.05, 204,354.11 and 102,779.34 is: 141,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,124.05 : 204,354.11 = 102,779.34 : x
  2. Step 2: Convert to fraction form
    148,124.05/204,354.11 = 102,779.34/x
  3. Step 3: Cross multiply
    148,124.05x = 204,354.11 × 102,779.34
  4. Step 4: Simplify right side
    148,124.05x = 21,003,380,295.14
  5. Step 5: Solve for x
    x = 21,003,380,295.14/148,124.05
  6. Step 6: Final answer
    x = 141,795.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.