Home / 130,180.41-195,381.56-51,350.00

Finding the Fourth Proportional to 130,180.41, 195,381.56 and 51,350.00

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Solution

The fourth proportional to 130,180.41, 195,381.56 and 51,350.00 is: 77,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,180.41 : 195,381.56 = 51,350.00 : x
  2. Step 2: Convert to fraction form
    130,180.41/195,381.56 = 51,350.00/x
  3. Step 3: Cross multiply
    130,180.41x = 195,381.56 × 51,350.00
  4. Step 4: Simplify right side
    130,180.41x = 10,032,842,257.47
  5. Step 5: Solve for x
    x = 10,032,842,257.47/130,180.41
  6. Step 6: Final answer
    x = 77,068.76

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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.