Home / 137,611.16-189,957.42-92,272.58

Finding the Fourth Proportional to 137,611.16, 189,957.42 and 92,272.58

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Solution

The fourth proportional to 137,611.16, 189,957.42 and 92,272.58 is: 127,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,611.16 : 189,957.42 = 92,272.58 : x
  2. Step 2: Convert to fraction form
    137,611.16/189,957.42 = 92,272.58/x
  3. Step 3: Cross multiply
    137,611.16x = 189,957.42 × 92,272.58
  4. Step 4: Simplify right side
    137,611.16x = 17,527,861,233.54
  5. Step 5: Solve for x
    x = 17,527,861,233.54/137,611.16
  6. Step 6: Final answer
    x = 127,372.38

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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.