Home / 125,353.94-173,000.26-71,628.54

Finding the Fourth Proportional to 125,353.94, 173,000.26 and 71,628.54

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Solution

The fourth proportional to 125,353.94, 173,000.26 and 71,628.54 is: 98,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,353.94 : 173,000.26 = 71,628.54 : x
  2. Step 2: Convert to fraction form
    125,353.94/173,000.26 = 71,628.54/x
  3. Step 3: Cross multiply
    125,353.94x = 173,000.26 × 71,628.54
  4. Step 4: Simplify right side
    125,353.94x = 12,391,755,864.35
  5. Step 5: Solve for x
    x = 12,391,755,864.35/125,353.94
  6. Step 6: Final answer
    x = 98,854.14

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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.