Home / 192,037.70-287,400.45-168,418.10

Finding the Fourth Proportional to 192,037.70, 287,400.45 and 168,418.10

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Solution

The fourth proportional to 192,037.70, 287,400.45 and 168,418.10 is: 252,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,037.70 : 287,400.45 = 168,418.10 : x
  2. Step 2: Convert to fraction form
    192,037.70/287,400.45 = 168,418.10/x
  3. Step 3: Cross multiply
    192,037.70x = 287,400.45 × 168,418.10
  4. Step 4: Simplify right side
    192,037.70x = 48,403,437,728.15
  5. Step 5: Solve for x
    x = 48,403,437,728.15/192,037.70
  6. Step 6: Final answer
    x = 252,051.75

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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.