Home / 111,555.20-167,331.74-27,315.74

Finding the Fourth Proportional to 111,555.20, 167,331.74 and 27,315.74

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Solution

The fourth proportional to 111,555.20, 167,331.74 and 27,315.74 is: 40,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,555.20 : 167,331.74 = 27,315.74 : x
  2. Step 2: Convert to fraction form
    111,555.20/167,331.74 = 27,315.74/x
  3. Step 3: Cross multiply
    111,555.20x = 167,331.74 × 27,315.74
  4. Step 4: Simplify right side
    111,555.20x = 4,570,790,303.59
  5. Step 5: Solve for x
    x = 4,570,790,303.59/111,555.20
  6. Step 6: Final answer
    x = 40,973.35

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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.