Home / 170,626.64-255,989.15-52,315.43

Finding the Fourth Proportional to 170,626.64, 255,989.15 and 52,315.43

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Solution

The fourth proportional to 170,626.64, 255,989.15 and 52,315.43 is: 78,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,626.64 : 255,989.15 = 52,315.43 : x
  2. Step 2: Convert to fraction form
    170,626.64/255,989.15 = 52,315.43/x
  3. Step 3: Cross multiply
    170,626.64x = 255,989.15 × 52,315.43
  4. Step 4: Simplify right side
    170,626.64x = 13,392,182,457.58
  5. Step 5: Solve for x
    x = 13,392,182,457.58/170,626.64
  6. Step 6: Final answer
    x = 78,488.23

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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.