Home / 135,109.66-202,674.68-40,332.36

Finding the Fourth Proportional to 135,109.66, 202,674.68 and 40,332.36

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Solution

The fourth proportional to 135,109.66, 202,674.68 and 40,332.36 is: 60,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,109.66 : 202,674.68 = 40,332.36 : x
  2. Step 2: Convert to fraction form
    135,109.66/202,674.68 = 40,332.36/x
  3. Step 3: Cross multiply
    135,109.66x = 202,674.68 × 40,332.36
  4. Step 4: Simplify right side
    135,109.66x = 8,174,348,156.64
  5. Step 5: Solve for x
    x = 8,174,348,156.64/135,109.66
  6. Step 6: Final answer
    x = 60,501.58

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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.