Home / 130,051.86-195,077.78-36,557.61

Finding the Fourth Proportional to 130,051.86, 195,077.78 and 36,557.61

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Solution

The fourth proportional to 130,051.86, 195,077.78 and 36,557.61 is: 54,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,051.86 : 195,077.78 = 36,557.61 : x
  2. Step 2: Convert to fraction form
    130,051.86/195,077.78 = 36,557.61/x
  3. Step 3: Cross multiply
    130,051.86x = 195,077.78 × 36,557.61
  4. Step 4: Simplify right side
    130,051.86x = 7,131,577,218.12
  5. Step 5: Solve for x
    x = 7,131,577,218.12/130,051.86
  6. Step 6: Final answer
    x = 54,836.41

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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.