Home / 111,415.18-167,110.88-31,451.18

Finding the Fourth Proportional to 111,415.18, 167,110.88 and 31,451.18

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Solution

The fourth proportional to 111,415.18, 167,110.88 and 31,451.18 is: 47,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,415.18 : 167,110.88 = 31,451.18 : x
  2. Step 2: Convert to fraction form
    111,415.18/167,110.88 = 31,451.18/x
  3. Step 3: Cross multiply
    111,415.18x = 167,110.88 × 31,451.18
  4. Step 4: Simplify right side
    111,415.18x = 5,255,834,366.84
  5. Step 5: Solve for x
    x = 5,255,834,366.84/111,415.18
  6. Step 6: Final answer
    x = 47,173.41

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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.