Home / 144,199.64-198,994.37-83,805.63

Finding the Fourth Proportional to 144,199.64, 198,994.37 and 83,805.63

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Solution

The fourth proportional to 144,199.64, 198,994.37 and 83,805.63 is: 115,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,199.64 : 198,994.37 = 83,805.63 : x
  2. Step 2: Convert to fraction form
    144,199.64/198,994.37 = 83,805.63/x
  3. Step 3: Cross multiply
    144,199.64x = 198,994.37 × 83,805.63
  4. Step 4: Simplify right side
    144,199.64x = 16,676,848,125.28
  5. Step 5: Solve for x
    x = 16,676,848,125.28/144,199.64
  6. Step 6: Final answer
    x = 115,651.11

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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.