Home / 125,388.05-173,035.51-71,674.22

Finding the Fourth Proportional to 125,388.05, 173,035.51 and 71,674.22

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Solution

The fourth proportional to 125,388.05, 173,035.51 and 71,674.22 is: 98,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,388.05 : 173,035.51 = 71,674.22 : x
  2. Step 2: Convert to fraction form
    125,388.05/173,035.51 = 71,674.22/x
  3. Step 3: Cross multiply
    125,388.05x = 173,035.51 × 71,674.22
  4. Step 4: Simplify right side
    125,388.05x = 12,402,185,464.96
  5. Step 5: Solve for x
    x = 12,402,185,464.96/125,388.05
  6. Step 6: Final answer
    x = 98,910.43

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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.