Home / 112,014.90-168,022.35-103,461.30

Finding the Fourth Proportional to 112,014.90, 168,022.35 and 103,461.30

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Solution

The fourth proportional to 112,014.90, 168,022.35 and 103,461.30 is: 155,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.90 : 168,022.35 = 103,461.30 : x
  2. Step 2: Convert to fraction form
    112,014.90/168,022.35 = 103,461.30/x
  3. Step 3: Cross multiply
    112,014.90x = 168,022.35 × 103,461.30
  4. Step 4: Simplify right side
    112,014.90x = 17,383,810,760.06
  5. Step 5: Solve for x
    x = 17,383,810,760.06/112,014.90
  6. Step 6: Final answer
    x = 155,191.95

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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.