Home / 133,074.60-183,649.86-76,491.24

Finding the Fourth Proportional to 133,074.60, 183,649.86 and 76,491.24

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Solution

The fourth proportional to 133,074.60, 183,649.86 and 76,491.24 is: 105,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.60 : 183,649.86 = 76,491.24 : x
  2. Step 2: Convert to fraction form
    133,074.60/183,649.86 = 76,491.24/x
  3. Step 3: Cross multiply
    133,074.60x = 183,649.86 × 76,491.24
  4. Step 4: Simplify right side
    133,074.60x = 14,047,605,517.23
  5. Step 5: Solve for x
    x = 14,047,605,517.23/133,074.60
  6. Step 6: Final answer
    x = 105,561.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.