Home / 133,674.30-200,511.45-86,435.10

Finding the Fourth Proportional to 133,674.30, 200,511.45 and 86,435.10

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Solution

The fourth proportional to 133,674.30, 200,511.45 and 86,435.10 is: 129,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,674.30 : 200,511.45 = 86,435.10 : x
  2. Step 2: Convert to fraction form
    133,674.30/200,511.45 = 86,435.10/x
  3. Step 3: Cross multiply
    133,674.30x = 200,511.45 × 86,435.10
  4. Step 4: Simplify right side
    133,674.30x = 17,331,227,231.90
  5. Step 5: Solve for x
    x = 17,331,227,231.90/133,674.30
  6. Step 6: Final answer
    x = 129,652.65

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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.