Home / 125,742.40-173,524.48-69,157.44

Finding the Fourth Proportional to 125,742.40, 173,524.48 and 69,157.44

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Solution

The fourth proportional to 125,742.40, 173,524.48 and 69,157.44 is: 95,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,742.40 : 173,524.48 = 69,157.44 : x
  2. Step 2: Convert to fraction form
    125,742.40/173,524.48 = 69,157.44/x
  3. Step 3: Cross multiply
    125,742.40x = 173,524.48 × 69,157.44
  4. Step 4: Simplify right side
    125,742.40x = 12,000,508,814.13
  5. Step 5: Solve for x
    x = 12,000,508,814.13/125,742.40
  6. Step 6: Final answer
    x = 95,437.25

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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.