Home / 156,219.80-215,580.66-84,599.24

Finding the Fourth Proportional to 156,219.80, 215,580.66 and 84,599.24

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Solution

The fourth proportional to 156,219.80, 215,580.66 and 84,599.24 is: 116,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,219.80 : 215,580.66 = 84,599.24 : x
  2. Step 2: Convert to fraction form
    156,219.80/215,580.66 = 84,599.24/x
  3. Step 3: Cross multiply
    156,219.80x = 215,580.66 × 84,599.24
  4. Step 4: Simplify right side
    156,219.80x = 18,237,959,994.70
  5. Step 5: Solve for x
    x = 18,237,959,994.70/156,219.80
  6. Step 6: Final answer
    x = 116,745.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.