Home / 130,166.94-179,631.69-76,452.84

Finding the Fourth Proportional to 130,166.94, 179,631.69 and 76,452.84

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Solution

The fourth proportional to 130,166.94, 179,631.69 and 76,452.84 is: 105,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,166.94 : 179,631.69 = 76,452.84 : x
  2. Step 2: Convert to fraction form
    130,166.94/179,631.69 = 76,452.84/x
  3. Step 3: Cross multiply
    130,166.94x = 179,631.69 × 76,452.84
  4. Step 4: Simplify right side
    130,166.94x = 13,733,352,854.50
  5. Step 5: Solve for x
    x = 13,733,352,854.50/130,166.94
  6. Step 6: Final answer
    x = 105,505.69

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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.