Home / 130,562.64-195,814.80-51,694.56

Finding the Fourth Proportional to 130,562.64, 195,814.80 and 51,694.56

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Solution

The fourth proportional to 130,562.64, 195,814.80 and 51,694.56 is: 77,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,562.64 : 195,814.80 = 51,694.56 : x
  2. Step 2: Convert to fraction form
    130,562.64/195,814.80 = 51,694.56/x
  3. Step 3: Cross multiply
    130,562.64x = 195,814.80 × 51,694.56
  4. Step 4: Simplify right side
    130,562.64x = 10,122,559,927.49
  5. Step 5: Solve for x
    x = 10,122,559,927.49/130,562.64
  6. Step 6: Final answer
    x = 77,530.29

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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.