Home / 119,636.15-179,658.95-79,910.44

Finding the Fourth Proportional to 119,636.15, 179,658.95 and 79,910.44

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Solution

The fourth proportional to 119,636.15, 179,658.95 and 79,910.44 is: 120,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,636.15 : 179,658.95 = 79,910.44 : x
  2. Step 2: Convert to fraction form
    119,636.15/179,658.95 = 79,910.44/x
  3. Step 3: Cross multiply
    119,636.15x = 179,658.95 × 79,910.44
  4. Step 4: Simplify right side
    119,636.15x = 14,356,624,895.74
  5. Step 5: Solve for x
    x = 14,356,624,895.74/119,636.15
  6. Step 6: Final answer
    x = 120,002.40

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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.