Home / 116,491.80-174,475.10-81,587.24

Finding the Fourth Proportional to 116,491.80, 174,475.10 and 81,587.24

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Solution

The fourth proportional to 116,491.80, 174,475.10 and 81,587.24 is: 122,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,491.80 : 174,475.10 = 81,587.24 : x
  2. Step 2: Convert to fraction form
    116,491.80/174,475.10 = 81,587.24/x
  3. Step 3: Cross multiply
    116,491.80x = 174,475.10 × 81,587.24
  4. Step 4: Simplify right side
    116,491.80x = 14,234,941,857.72
  5. Step 5: Solve for x
    x = 14,234,941,857.72/116,491.80
  6. Step 6: Final answer
    x = 122,196.94

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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.