Home / 119,255.82-178,881.87-30,508.56

Finding the Fourth Proportional to 119,255.82, 178,881.87 and 30,508.56

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Solution

The fourth proportional to 119,255.82, 178,881.87 and 30,508.56 is: 45,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,255.82 : 178,881.87 = 30,508.56 : x
  2. Step 2: Convert to fraction form
    119,255.82/178,881.87 = 30,508.56/x
  3. Step 3: Cross multiply
    119,255.82x = 178,881.87 × 30,508.56
  4. Step 4: Simplify right side
    119,255.82x = 5,457,428,263.81
  5. Step 5: Solve for x
    x = 5,457,428,263.81/119,255.82
  6. Step 6: Final answer
    x = 45,762.36

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1.5x scale

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.