Home / 176,172.31-243,016.11-112,438.27

Finding the Fourth Proportional to 176,172.31, 243,016.11 and 112,438.27

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Solution

The fourth proportional to 176,172.31, 243,016.11 and 112,438.27 is: 155,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,172.31 : 243,016.11 = 112,438.27 : x
  2. Step 2: Convert to fraction form
    176,172.31/243,016.11 = 112,438.27/x
  3. Step 3: Cross multiply
    176,172.31x = 243,016.11 × 112,438.27
  4. Step 4: Simplify right side
    176,172.31x = 27,324,310,990.53
  5. Step 5: Solve for x
    x = 27,324,310,990.53/176,172.31
  6. Step 6: Final answer
    x = 155,099.92

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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.