Home / 170,489.36-255,762.64-52,132.96

Finding the Fourth Proportional to 170,489.36, 255,762.64 and 52,132.96

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Solution

The fourth proportional to 170,489.36, 255,762.64 and 52,132.96 is: 78,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,489.36 : 255,762.64 = 52,132.96 : x
  2. Step 2: Convert to fraction form
    170,489.36/255,762.64 = 52,132.96/x
  3. Step 3: Cross multiply
    170,489.36x = 255,762.64 × 52,132.96
  4. Step 4: Simplify right side
    170,489.36x = 13,333,663,480.61
  5. Step 5: Solve for x
    x = 13,333,663,480.61/170,489.36
  6. Step 6: Final answer
    x = 78,208.19

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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.