Home / 144,715.55-217,147.37-68,899.82

Finding the Fourth Proportional to 144,715.55, 217,147.37 and 68,899.82

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Solution

The fourth proportional to 144,715.55, 217,147.37 and 68,899.82 is: 103,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,715.55 : 217,147.37 = 68,899.82 : x
  2. Step 2: Convert to fraction form
    144,715.55/217,147.37 = 68,899.82/x
  3. Step 3: Cross multiply
    144,715.55x = 217,147.37 × 68,899.82
  4. Step 4: Simplify right side
    144,715.55x = 14,961,413,276.24
  5. Step 5: Solve for x
    x = 14,961,413,276.24/144,715.55
  6. Step 6: Final answer
    x = 103,384.98

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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.