Home / 134,387.50-201,610.40-40,890.82

Finding the Fourth Proportional to 134,387.50, 201,610.40 and 40,890.82

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Solution

The fourth proportional to 134,387.50, 201,610.40 and 40,890.82 is: 61,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,387.50 : 201,610.40 = 40,890.82 : x
  2. Step 2: Convert to fraction form
    134,387.50/201,610.40 = 40,890.82/x
  3. Step 3: Cross multiply
    134,387.50x = 201,610.40 × 40,890.82
  4. Step 4: Simplify right side
    134,387.50x = 8,244,013,568.48
  5. Step 5: Solve for x
    x = 8,244,013,568.48/134,387.50
  6. Step 6: Final answer
    x = 61,345.09

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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.