Home / 123,922.35-186,557.90-112,899.87

Finding the Fourth Proportional to 123,922.35, 186,557.90 and 112,899.87

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Solution

The fourth proportional to 123,922.35, 186,557.90 and 112,899.87 is: 169,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,922.35 : 186,557.90 = 112,899.87 : x
  2. Step 2: Convert to fraction form
    123,922.35/186,557.90 = 112,899.87/x
  3. Step 3: Cross multiply
    123,922.35x = 186,557.90 × 112,899.87
  4. Step 4: Simplify right side
    123,922.35x = 21,062,362,092.97
  5. Step 5: Solve for x
    x = 21,062,362,092.97/123,922.35
  6. Step 6: Final answer
    x = 169,964.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.