Home / 116,077.02-173,891.31-85,628.46

Finding the Fourth Proportional to 116,077.02, 173,891.31 and 85,628.46

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Solution

The fourth proportional to 116,077.02, 173,891.31 and 85,628.46 is: 128,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,077.02 : 173,891.31 = 85,628.46 : x
  2. Step 2: Convert to fraction form
    116,077.02/173,891.31 = 85,628.46/x
  3. Step 3: Cross multiply
    116,077.02x = 173,891.31 × 85,628.46
  4. Step 4: Simplify right side
    116,077.02x = 14,890,045,082.68
  5. Step 5: Solve for x
    x = 14,890,045,082.68/116,077.02
  6. Step 6: Final answer
    x = 128,277.29

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1.5x scale

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.