Home / 134,387.34-201,610.16-40,890.66

Finding the Fourth Proportional to 134,387.34, 201,610.16 and 40,890.66

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Solution

The fourth proportional to 134,387.34, 201,610.16 and 40,890.66 is: 61,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,387.34 : 201,610.16 = 40,890.66 : x
  2. Step 2: Convert to fraction form
    134,387.34/201,610.16 = 40,890.66/x
  3. Step 3: Cross multiply
    134,387.34x = 201,610.16 × 40,890.66
  4. Step 4: Simplify right side
    134,387.34x = 8,243,971,927.96
  5. Step 5: Solve for x
    x = 8,243,971,927.96/134,387.34
  6. Step 6: Final answer
    x = 61,344.86

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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.