Home / 125,623.77-173,346.26-71,905.59

Finding the Fourth Proportional to 125,623.77, 173,346.26 and 71,905.59

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Solution

The fourth proportional to 125,623.77, 173,346.26 and 71,905.59 is: 99,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,623.77 : 173,346.26 = 71,905.59 : x
  2. Step 2: Convert to fraction form
    125,623.77/173,346.26 = 71,905.59/x
  3. Step 3: Cross multiply
    125,623.77x = 173,346.26 × 71,905.59
  4. Step 4: Simplify right side
    125,623.77x = 12,464,565,099.59
  5. Step 5: Solve for x
    x = 12,464,565,099.59/125,623.77
  6. Step 6: Final answer
    x = 99,221.39

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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.