Home / 125,557.68-173,278.08-68,969.64

Finding the Fourth Proportional to 125,557.68, 173,278.08 and 68,969.64

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Solution

The fourth proportional to 125,557.68, 173,278.08 and 68,969.64 is: 95,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,557.68 : 173,278.08 = 68,969.64 : x
  2. Step 2: Convert to fraction form
    125,557.68/173,278.08 = 68,969.64/x
  3. Step 3: Cross multiply
    125,557.68x = 173,278.08 × 68,969.64
  4. Step 4: Simplify right side
    125,557.68x = 11,950,926,797.49
  5. Step 5: Solve for x
    x = 11,950,926,797.49/125,557.68
  6. Step 6: Final answer
    x = 95,182.76

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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.