Home / 76,156.98-114,242.04-19,996.80

Finding the Fourth Proportional to 76,156.98, 114,242.04 and 19,996.80

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Solution

The fourth proportional to 76,156.98, 114,242.04 and 19,996.80 is: 29,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,156.98 : 114,242.04 = 19,996.80 : x
  2. Step 2: Convert to fraction form
    76,156.98/114,242.04 = 19,996.80/x
  3. Step 3: Cross multiply
    76,156.98x = 114,242.04 × 19,996.80
  4. Step 4: Simplify right side
    76,156.98x = 2,284,475,225.47
  5. Step 5: Solve for x
    x = 2,284,475,225.47/76,156.98
  6. Step 6: Final answer
    x = 29,996.93

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1.5x scale

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.