Home / 207,941.60-287,037.18-161,910.24

Finding the Fourth Proportional to 207,941.60, 287,037.18 and 161,910.24

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Solution

The fourth proportional to 207,941.60, 287,037.18 and 161,910.24 is: 223,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,941.60 : 287,037.18 = 161,910.24 : x
  2. Step 2: Convert to fraction form
    207,941.60/287,037.18 = 161,910.24/x
  3. Step 3: Cross multiply
    207,941.60x = 287,037.18 × 161,910.24
  4. Step 4: Simplify right side
    207,941.60x = 46,474,258,702.72
  5. Step 5: Solve for x
    x = 46,474,258,702.72/207,941.60
  6. Step 6: Final answer
    x = 223,496.69

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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.