Home / 124,465.46-171,779.04-79,147.94

Finding the Fourth Proportional to 124,465.46, 171,779.04 and 79,147.94

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Solution

The fourth proportional to 124,465.46, 171,779.04 and 79,147.94 is: 109,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,465.46 : 171,779.04 = 79,147.94 : x
  2. Step 2: Convert to fraction form
    124,465.46/171,779.04 = 79,147.94/x
  3. Step 3: Cross multiply
    124,465.46x = 171,779.04 × 79,147.94
  4. Step 4: Simplify right side
    124,465.46x = 13,595,957,151.18
  5. Step 5: Solve for x
    x = 13,595,957,151.18/124,465.46
  6. Step 6: Final answer
    x = 109,234.78

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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.