Home / 133,626.30-200,050.65-81,008.70

Finding the Fourth Proportional to 133,626.30, 200,050.65 and 81,008.70

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Solution

The fourth proportional to 133,626.30, 200,050.65 and 81,008.70 is: 121,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,626.30 : 200,050.65 = 81,008.70 : x
  2. Step 2: Convert to fraction form
    133,626.30/200,050.65 = 81,008.70/x
  3. Step 3: Cross multiply
    133,626.30x = 200,050.65 × 81,008.70
  4. Step 4: Simplify right side
    133,626.30x = 16,205,843,090.66
  5. Step 5: Solve for x
    x = 16,205,843,090.66/133,626.30
  6. Step 6: Final answer
    x = 121,277.35

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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.