Home / 119,243.28-178,753.70-40,302.30

Finding the Fourth Proportional to 119,243.28, 178,753.70 and 40,302.30

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Solution

The fourth proportional to 119,243.28, 178,753.70 and 40,302.30 is: 60,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,243.28 : 178,753.70 = 40,302.30 : x
  2. Step 2: Convert to fraction form
    119,243.28/178,753.70 = 40,302.30/x
  3. Step 3: Cross multiply
    119,243.28x = 178,753.70 × 40,302.30
  4. Step 4: Simplify right side
    119,243.28x = 7,204,185,243.51
  5. Step 5: Solve for x
    x = 7,204,185,243.51/119,243.28
  6. Step 6: Final answer
    x = 60,415.86

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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.