Home / 116,631.02-174,734.03-81,017.03

Finding the Fourth Proportional to 116,631.02, 174,734.03 and 81,017.03

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Solution

The fourth proportional to 116,631.02, 174,734.03 and 81,017.03 is: 121,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,631.02 : 174,734.03 = 81,017.03 : x
  2. Step 2: Convert to fraction form
    116,631.02/174,734.03 = 81,017.03/x
  3. Step 3: Cross multiply
    116,631.02x = 174,734.03 × 81,017.03
  4. Step 4: Simplify right side
    116,631.02x = 14,156,432,789.91
  5. Step 5: Solve for x
    x = 14,156,432,789.91/116,631.02
  6. Step 6: Final answer
    x = 121,377.94

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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.