Home / 360,111.60-496,964.03-198,977.03

Finding the Fourth Proportional to 360,111.60, 496,964.03 and 198,977.03

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Solution

The fourth proportional to 360,111.60, 496,964.03 and 198,977.03 is: 274,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,111.60 : 496,964.03 = 198,977.03 : x
  2. Step 2: Convert to fraction form
    360,111.60/496,964.03 = 198,977.03/x
  3. Step 3: Cross multiply
    360,111.60x = 496,964.03 × 198,977.03
  4. Step 4: Simplify right side
    360,111.60x = 98,884,426,706.23
  5. Step 5: Solve for x
    x = 98,884,426,706.23/360,111.60
  6. Step 6: Final answer
    x = 274,593.84

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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.