Home / 128,977.04-193,536.12-50,094.38

Finding the Fourth Proportional to 128,977.04, 193,536.12 and 50,094.38

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Solution

The fourth proportional to 128,977.04, 193,536.12 and 50,094.38 is: 75,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,977.04 : 193,536.12 = 50,094.38 : x
  2. Step 2: Convert to fraction form
    128,977.04/193,536.12 = 50,094.38/x
  3. Step 3: Cross multiply
    128,977.04x = 193,536.12 × 50,094.38
  4. Step 4: Simplify right side
    128,977.04x = 9,695,071,939.01
  5. Step 5: Solve for x
    x = 9,695,071,939.01/128,977.04
  6. Step 6: Final answer
    x = 75,168.98

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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.