Home / 125,753.41-173,421.07-82,656.75

Finding the Fourth Proportional to 125,753.41, 173,421.07 and 82,656.75

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Solution

The fourth proportional to 125,753.41, 173,421.07 and 82,656.75 is: 113,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,753.41 : 173,421.07 = 82,656.75 : x
  2. Step 2: Convert to fraction form
    125,753.41/173,421.07 = 82,656.75/x
  3. Step 3: Cross multiply
    125,753.41x = 173,421.07 × 82,656.75
  4. Step 4: Simplify right side
    125,753.41x = 14,334,422,027.72
  5. Step 5: Solve for x
    x = 14,334,422,027.72/125,753.41
  6. Step 6: Final answer
    x = 113,988.34

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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.