Home / 125,972.17-188,957.07-51,074.51

Finding the Fourth Proportional to 125,972.17, 188,957.07 and 51,074.51

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Solution

The fourth proportional to 125,972.17, 188,957.07 and 51,074.51 is: 76,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,972.17 : 188,957.07 = 51,074.51 : x
  2. Step 2: Convert to fraction form
    125,972.17/188,957.07 = 51,074.51/x
  3. Step 3: Cross multiply
    125,972.17x = 188,957.07 × 51,074.51
  4. Step 4: Simplify right side
    125,972.17x = 9,650,890,425.21
  5. Step 5: Solve for x
    x = 9,650,890,425.21/125,972.17
  6. Step 6: Final answer
    x = 76,611.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.