Home / 125,272.22-172,883.67-82,756.22

Finding the Fourth Proportional to 125,272.22, 172,883.67 and 82,756.22

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Solution

The fourth proportional to 125,272.22, 172,883.67 and 82,756.22 is: 114,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,272.22 : 172,883.67 = 82,756.22 : x
  2. Step 2: Convert to fraction form
    125,272.22/172,883.67 = 82,756.22/x
  3. Step 3: Cross multiply
    125,272.22x = 172,883.67 × 82,756.22
  4. Step 4: Simplify right side
    125,272.22x = 14,307,199,028.93
  5. Step 5: Solve for x
    x = 14,307,199,028.93/125,272.22
  6. Step 6: Final answer
    x = 114,208.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.