Home / 154,516.70-231,756.81-40,676.06

Finding the Fourth Proportional to 154,516.70, 231,756.81 and 40,676.06

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Solution

The fourth proportional to 154,516.70, 231,756.81 and 40,676.06 is: 61,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,516.70 : 231,756.81 = 40,676.06 : x
  2. Step 2: Convert to fraction form
    154,516.70/231,756.81 = 40,676.06/x
  3. Step 3: Cross multiply
    154,516.70x = 231,756.81 × 40,676.06
  4. Step 4: Simplify right side
    154,516.70x = 9,426,952,750.18
  5. Step 5: Solve for x
    x = 9,426,952,750.18/154,516.70
  6. Step 6: Final answer
    x = 61,009.28

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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.