Home / 170,638.14-255,994.56-52,318.71

Finding the Fourth Proportional to 170,638.14, 255,994.56 and 52,318.71

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Solution

The fourth proportional to 170,638.14, 255,994.56 and 52,318.71 is: 78,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,638.14 : 255,994.56 = 52,318.71 : x
  2. Step 2: Convert to fraction form
    170,638.14/255,994.56 = 52,318.71/x
  3. Step 3: Cross multiply
    170,638.14x = 255,994.56 × 52,318.71
  4. Step 4: Simplify right side
    170,638.14x = 13,393,305,146.22
  5. Step 5: Solve for x
    x = 13,393,305,146.22/170,638.14
  6. Step 6: Final answer
    x = 78,489.52

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1.5x scale

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.