Home / 111,367.12-167,060.40-28,261.12

Finding the Fourth Proportional to 111,367.12, 167,060.40 and 28,261.12

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Solution

The fourth proportional to 111,367.12, 167,060.40 and 28,261.12 is: 42,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,367.12 : 167,060.40 = 28,261.12 : x
  2. Step 2: Convert to fraction form
    111,367.12/167,060.40 = 28,261.12/x
  3. Step 3: Cross multiply
    111,367.12x = 167,060.40 × 28,261.12
  4. Step 4: Simplify right side
    111,367.12x = 4,721,314,011.65
  5. Step 5: Solve for x
    x = 4,721,314,011.65/111,367.12
  6. Step 6: Final answer
    x = 42,394.15

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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.