Home / 135,266.40-202,899.60-134,488.80

Finding the Fourth Proportional to 135,266.40, 202,899.60 and 134,488.80

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Solution

The fourth proportional to 135,266.40, 202,899.60 and 134,488.80 is: 201,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,266.40 : 202,899.60 = 134,488.80 : x
  2. Step 2: Convert to fraction form
    135,266.40/202,899.60 = 134,488.80/x
  3. Step 3: Cross multiply
    135,266.40x = 202,899.60 × 134,488.80
  4. Step 4: Simplify right side
    135,266.40x = 27,287,723,724.48
  5. Step 5: Solve for x
    x = 27,287,723,724.48/135,266.40
  6. Step 6: Final answer
    x = 201,733.20

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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.