Home / 119,327.04-178,986.36-30,581.28

Finding the Fourth Proportional to 119,327.04, 178,986.36 and 30,581.28

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Solution

The fourth proportional to 119,327.04, 178,986.36 and 30,581.28 is: 45,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,327.04 : 178,986.36 = 30,581.28 : x
  2. Step 2: Convert to fraction form
    119,327.04/178,986.36 = 30,581.28/x
  3. Step 3: Cross multiply
    119,327.04x = 178,986.36 × 30,581.28
  4. Step 4: Simplify right side
    119,327.04x = 5,473,631,991.34
  5. Step 5: Solve for x
    x = 5,473,631,991.34/119,327.04
  6. Step 6: Final answer
    x = 45,870.84

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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.