Home / 194,934.40-292,401.60-76,566.40

Finding the Fourth Proportional to 194,934.40, 292,401.60 and 76,566.40

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Solution

The fourth proportional to 194,934.40, 292,401.60 and 76,566.40 is: 114,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,934.40 : 292,401.60 = 76,566.40 : x
  2. Step 2: Convert to fraction form
    194,934.40/292,401.60 = 76,566.40/x
  3. Step 3: Cross multiply
    194,934.40x = 292,401.60 × 76,566.40
  4. Step 4: Simplify right side
    194,934.40x = 22,388,137,866.24
  5. Step 5: Solve for x
    x = 22,388,137,866.24/194,934.40
  6. Step 6: Final answer
    x = 114,849.60

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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.