Home / 111,436.12-167,159.76-36,549.64

Finding the Fourth Proportional to 111,436.12, 167,159.76 and 36,549.64

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Solution

The fourth proportional to 111,436.12, 167,159.76 and 36,549.64 is: 54,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,436.12 : 167,159.76 = 36,549.64 : x
  2. Step 2: Convert to fraction form
    111,436.12/167,159.76 = 36,549.64/x
  3. Step 3: Cross multiply
    111,436.12x = 167,159.76 × 36,549.64
  4. Step 4: Simplify right side
    111,436.12x = 6,109,629,050.49
  5. Step 5: Solve for x
    x = 6,109,629,050.49/111,436.12
  6. Step 6: Final answer
    x = 54,826.29

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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.