Home / 116,208.02-174,312.04-81,216.02

Finding the Fourth Proportional to 116,208.02, 174,312.04 and 81,216.02

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Solution

The fourth proportional to 116,208.02, 174,312.04 and 81,216.02 is: 121,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,208.02 : 174,312.04 = 81,216.02 : x
  2. Step 2: Convert to fraction form
    116,208.02/174,312.04 = 81,216.02/x
  3. Step 3: Cross multiply
    116,208.02x = 174,312.04 × 81,216.02
  4. Step 4: Simplify right side
    116,208.02x = 14,156,930,126.88
  5. Step 5: Solve for x
    x = 14,156,930,126.88/116,208.02
  6. Step 6: Final answer
    x = 121,824.04

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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.