Home / 194,530.76-291,821.65-76,186.72

Finding the Fourth Proportional to 194,530.76, 291,821.65 and 76,186.72

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Solution

The fourth proportional to 194,530.76, 291,821.65 and 76,186.72 is: 114,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,530.76 : 291,821.65 = 76,186.72 : x
  2. Step 2: Convert to fraction form
    194,530.76/291,821.65 = 76,186.72/x
  3. Step 3: Cross multiply
    194,530.76x = 291,821.65 × 76,186.72
  4. Step 4: Simplify right side
    194,530.76x = 22,232,934,338.49
  5. Step 5: Solve for x
    x = 22,232,934,338.49/194,530.76
  6. Step 6: Final answer
    x = 114,290.07

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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.