Home / 136,713.40-204,699.54-70,911.16

Finding the Fourth Proportional to 136,713.40, 204,699.54 and 70,911.16

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Solution

The fourth proportional to 136,713.40, 204,699.54 and 70,911.16 is: 106,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,713.40 : 204,699.54 = 70,911.16 : x
  2. Step 2: Convert to fraction form
    136,713.40/204,699.54 = 70,911.16/x
  3. Step 3: Cross multiply
    136,713.40x = 204,699.54 × 70,911.16
  4. Step 4: Simplify right side
    136,713.40x = 14,515,481,832.87
  5. Step 5: Solve for x
    x = 14,515,481,832.87/136,713.40
  6. Step 6: Final answer
    x = 106,174.54

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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.