Home / 125,815.96-173,626-69,227.34

Finding the Fourth Proportional to 125,815.96, 173,626 and 69,227.34

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Solution

The fourth proportional to 125,815.96, 173,626 and 69,227.34 is: 95,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,815.96 : 173,626 = 69,227.34 : x
  2. Step 2: Convert to fraction form
    125,815.96/173,626 = 69,227.34/x
  3. Step 3: Cross multiply
    125,815.96x = 173,626 × 69,227.34
  4. Step 4: Simplify right side
    125,815.96x = 12,019,666,134.84
  5. Step 5: Solve for x
    x = 12,019,666,134.84/125,815.96
  6. Step 6: Final answer
    x = 95,533.72

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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.