Home / 203,195.16-280,385.37-117,153.18

Finding the Fourth Proportional to 203,195.16, 280,385.37 and 117,153.18

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Solution

The fourth proportional to 203,195.16, 280,385.37 and 117,153.18 is: 161,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,195.16 : 280,385.37 = 117,153.18 : x
  2. Step 2: Convert to fraction form
    203,195.16/280,385.37 = 117,153.18/x
  3. Step 3: Cross multiply
    203,195.16x = 280,385.37 × 117,153.18
  4. Step 4: Simplify right side
    203,195.16x = 32,848,037,720.98
  5. Step 5: Solve for x
    x = 32,848,037,720.98/203,195.16
  6. Step 6: Final answer
    x = 161,657.58

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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.