Home / 170,487.36-255,759.64-52,130.96

Finding the Fourth Proportional to 170,487.36, 255,759.64 and 52,130.96

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Solution

The fourth proportional to 170,487.36, 255,759.64 and 52,130.96 is: 78,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,487.36 : 255,759.64 = 52,130.96 : x
  2. Step 2: Convert to fraction form
    170,487.36/255,759.64 = 52,130.96/x
  3. Step 3: Cross multiply
    170,487.36x = 255,759.64 × 52,130.96
  4. Step 4: Simplify right side
    170,487.36x = 13,332,995,562.45
  5. Step 5: Solve for x
    x = 13,332,995,562.45/170,487.36
  6. Step 6: Final answer
    x = 78,205.19

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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.