Home / 111,689.20-167,554.32-36,813.76

Finding the Fourth Proportional to 111,689.20, 167,554.32 and 36,813.76

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Solution

The fourth proportional to 111,689.20, 167,554.32 and 36,813.76 is: 55,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,689.20 : 167,554.32 = 36,813.76 : x
  2. Step 2: Convert to fraction form
    111,689.20/167,554.32 = 36,813.76/x
  3. Step 3: Cross multiply
    111,689.20x = 167,554.32 × 36,813.76
  4. Step 4: Simplify right side
    111,689.20x = 6,168,304,523.44
  5. Step 5: Solve for x
    x = 6,168,304,523.44/111,689.20
  6. Step 6: Final answer
    x = 55,227.40

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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.