Home / 116,206.02-174,309.03-81,214.02

Finding the Fourth Proportional to 116,206.02, 174,309.03 and 81,214.02

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Solution

The fourth proportional to 116,206.02, 174,309.03 and 81,214.02 is: 121,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,206.02 : 174,309.03 = 81,214.02 : x
  2. Step 2: Convert to fraction form
    116,206.02/174,309.03 = 81,214.02/x
  3. Step 3: Cross multiply
    116,206.02x = 174,309.03 × 81,214.02
  4. Step 4: Simplify right side
    116,206.02x = 14,156,337,048.60
  5. Step 5: Solve for x
    x = 14,156,337,048.60/116,206.02
  6. Step 6: Final answer
    x = 121,821.03

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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.