Home / 188,557.49-260,166.80-112,132.78

Finding the Fourth Proportional to 188,557.49, 260,166.80 and 112,132.78

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Solution

The fourth proportional to 188,557.49, 260,166.80 and 112,132.78 is: 154,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,557.49 : 260,166.80 = 112,132.78 : x
  2. Step 2: Convert to fraction form
    188,557.49/260,166.80 = 112,132.78/x
  3. Step 3: Cross multiply
    188,557.49x = 260,166.80 × 112,132.78
  4. Step 4: Simplify right side
    188,557.49x = 29,173,226,177.62
  5. Step 5: Solve for x
    x = 29,173,226,177.62/188,557.49
  6. Step 6: Final answer
    x = 154,717.94

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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.