Home / 112,205.40-168,308.10-56,794.20

Finding the Fourth Proportional to 112,205.40, 168,308.10 and 56,794.20

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Solution

The fourth proportional to 112,205.40, 168,308.10 and 56,794.20 is: 85,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,205.40 : 168,308.10 = 56,794.20 : x
  2. Step 2: Convert to fraction form
    112,205.40/168,308.10 = 56,794.20/x
  3. Step 3: Cross multiply
    112,205.40x = 168,308.10 × 56,794.20
  4. Step 4: Simplify right side
    112,205.40x = 9,558,923,893.02
  5. Step 5: Solve for x
    x = 9,558,923,893.02/112,205.40
  6. Step 6: Final answer
    x = 85,191.30

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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.