Home / 170,415.14-255,632.96-52,087.51

Finding the Fourth Proportional to 170,415.14, 255,632.96 and 52,087.51

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Solution

The fourth proportional to 170,415.14, 255,632.96 and 52,087.51 is: 78,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,415.14 : 255,632.96 = 52,087.51 : x
  2. Step 2: Convert to fraction form
    170,415.14/255,632.96 = 52,087.51/x
  3. Step 3: Cross multiply
    170,415.14x = 255,632.96 × 52,087.51
  4. Step 4: Simplify right side
    170,415.14x = 13,315,283,372.15
  5. Step 5: Solve for x
    x = 13,315,283,372.15/170,415.14
  6. Step 6: Final answer
    x = 78,134.39

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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.