Home / 170,459.90-255,689.76-52,131.26

Finding the Fourth Proportional to 170,459.90, 255,689.76 and 52,131.26

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Solution

The fourth proportional to 170,459.90, 255,689.76 and 52,131.26 is: 78,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,459.90 : 255,689.76 = 52,131.26 : x
  2. Step 2: Convert to fraction form
    170,459.90/255,689.76 = 52,131.26/x
  3. Step 3: Cross multiply
    170,459.90x = 255,689.76 × 52,131.26
  4. Step 4: Simplify right side
    170,459.90x = 13,329,429,357.90
  5. Step 5: Solve for x
    x = 13,329,429,357.90/170,459.90
  6. Step 6: Final answer
    x = 78,196.86

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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.