Home / 130,534.23-195,857.16-54,650.49

Finding the Fourth Proportional to 130,534.23, 195,857.16 and 54,650.49

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Solution

The fourth proportional to 130,534.23, 195,857.16 and 54,650.49 is: 81,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534.23 : 195,857.16 = 54,650.49 : x
  2. Step 2: Convert to fraction form
    130,534.23/195,857.16 = 54,650.49/x
  3. Step 3: Cross multiply
    130,534.23x = 195,857.16 × 54,650.49
  4. Step 4: Simplify right side
    130,534.23x = 10,703,689,764.01
  5. Step 5: Solve for x
    x = 10,703,689,764.01/130,534.23
  6. Step 6: Final answer
    x = 81,999.10

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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.