Home / 119,438.61-178,899.55-56,163.94

Finding the Fourth Proportional to 119,438.61, 178,899.55 and 56,163.94

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Solution

The fourth proportional to 119,438.61, 178,899.55 and 56,163.94 is: 84,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,438.61 : 178,899.55 = 56,163.94 : x
  2. Step 2: Convert to fraction form
    119,438.61/178,899.55 = 56,163.94/x
  3. Step 3: Cross multiply
    119,438.61x = 178,899.55 × 56,163.94
  4. Step 4: Simplify right side
    119,438.61x = 10,047,703,592.23
  5. Step 5: Solve for x
    x = 10,047,703,592.23/119,438.61
  6. Step 6: Final answer
    x = 84,124.42

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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.