Home / 144,025.54-198,740.16-79,493.58

Finding the Fourth Proportional to 144,025.54, 198,740.16 and 79,493.58

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Solution

The fourth proportional to 144,025.54, 198,740.16 and 79,493.58 is: 109,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,025.54 : 198,740.16 = 79,493.58 : x
  2. Step 2: Convert to fraction form
    144,025.54/198,740.16 = 79,493.58/x
  3. Step 3: Cross multiply
    144,025.54x = 198,740.16 × 79,493.58
  4. Step 4: Simplify right side
    144,025.54x = 15,798,566,808.17
  5. Step 5: Solve for x
    x = 15,798,566,808.17/144,025.54
  6. Step 6: Final answer
    x = 109,692.81

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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.