Home / 134,128.46-201,223.85-39,354.82

Finding the Fourth Proportional to 134,128.46, 201,223.85 and 39,354.82

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Solution

The fourth proportional to 134,128.46, 201,223.85 and 39,354.82 is: 59,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,128.46 : 201,223.85 = 39,354.82 : x
  2. Step 2: Convert to fraction form
    134,128.46/201,223.85 = 39,354.82/x
  3. Step 3: Cross multiply
    134,128.46x = 201,223.85 × 39,354.82
  4. Step 4: Simplify right side
    134,128.46x = 7,919,127,991.78
  5. Step 5: Solve for x
    x = 7,919,127,991.78/134,128.46
  6. Step 6: Final answer
    x = 59,041.37

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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.