Home / 112,172.73-154,800.21-61,185.45

Finding the Fourth Proportional to 112,172.73, 154,800.21 and 61,185.45

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Solution

The fourth proportional to 112,172.73, 154,800.21 and 61,185.45 is: 84,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172.73 : 154,800.21 = 61,185.45 : x
  2. Step 2: Convert to fraction form
    112,172.73/154,800.21 = 61,185.45/x
  3. Step 3: Cross multiply
    112,172.73x = 154,800.21 × 61,185.45
  4. Step 4: Simplify right side
    112,172.73x = 9,471,520,203.02
  5. Step 5: Solve for x
    x = 9,471,520,203.02/112,172.73
  6. Step 6: Final answer
    x = 84,436.93

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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.