Home / 119,133.56-178,428.18-56,847.80

Finding the Fourth Proportional to 119,133.56, 178,428.18 and 56,847.80

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Solution

The fourth proportional to 119,133.56, 178,428.18 and 56,847.80 is: 85,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,133.56 : 178,428.18 = 56,847.80 : x
  2. Step 2: Convert to fraction form
    119,133.56/178,428.18 = 56,847.80/x
  3. Step 3: Cross multiply
    119,133.56x = 178,428.18 × 56,847.80
  4. Step 4: Simplify right side
    119,133.56x = 10,143,249,491.00
  5. Step 5: Solve for x
    x = 10,143,249,491.00/119,133.56
  6. Step 6: Final answer
    x = 85,141.83

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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.