Home / 360,047.18-496,863.55-198,902.22

Finding the Fourth Proportional to 360,047.18, 496,863.55 and 198,902.22

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Solution

The fourth proportional to 360,047.18, 496,863.55 and 198,902.22 is: 274,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,047.18 : 496,863.55 = 198,902.22 : x
  2. Step 2: Convert to fraction form
    360,047.18/496,863.55 = 198,902.22/x
  3. Step 3: Cross multiply
    360,047.18x = 496,863.55 × 198,902.22
  4. Step 4: Simplify right side
    360,047.18x = 98,827,263,132.08
  5. Step 5: Solve for x
    x = 98,827,263,132.08/360,047.18
  6. Step 6: Final answer
    x = 274,484.20

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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.