Home / 135,299.84-186,590.40-116,173.61

Finding the Fourth Proportional to 135,299.84, 186,590.40 and 116,173.61

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Solution

The fourth proportional to 135,299.84, 186,590.40 and 116,173.61 is: 160,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,299.84 : 186,590.40 = 116,173.61 : x
  2. Step 2: Convert to fraction form
    135,299.84/186,590.40 = 116,173.61/x
  3. Step 3: Cross multiply
    135,299.84x = 186,590.40 × 116,173.61
  4. Step 4: Simplify right side
    135,299.84x = 21,676,879,690.46
  5. Step 5: Solve for x
    x = 21,676,879,690.46/135,299.84
  6. Step 6: Final answer
    x = 160,213.64

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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.