Home / 112,022.10-168,033.15-84,374.10

Finding the Fourth Proportional to 112,022.10, 168,033.15 and 84,374.10

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Solution

The fourth proportional to 112,022.10, 168,033.15 and 84,374.10 is: 126,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022.10 : 168,033.15 = 84,374.10 : x
  2. Step 2: Convert to fraction form
    112,022.10/168,033.15 = 84,374.10/x
  3. Step 3: Cross multiply
    112,022.10x = 168,033.15 × 84,374.10
  4. Step 4: Simplify right side
    112,022.10x = 14,177,645,801.42
  5. Step 5: Solve for x
    x = 14,177,645,801.42/112,022.10
  6. Step 6: Final answer
    x = 126,561.15

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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.