Home / 210,118.10-289,976.68-119,482.48

Finding the Fourth Proportional to 210,118.10, 289,976.68 and 119,482.48

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Solution

The fourth proportional to 210,118.10, 289,976.68 and 119,482.48 is: 164,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,118.10 : 289,976.68 = 119,482.48 : x
  2. Step 2: Convert to fraction form
    210,118.10/289,976.68 = 119,482.48/x
  3. Step 3: Cross multiply
    210,118.10x = 289,976.68 × 119,482.48
  4. Step 4: Simplify right side
    210,118.10x = 34,647,132,868.57
  5. Step 5: Solve for x
    x = 34,647,132,868.57/210,118.10
  6. Step 6: Final answer
    x = 164,893.61

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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.