Home / 166,916.16-230,218.65-115,928.96

Finding the Fourth Proportional to 166,916.16, 230,218.65 and 115,928.96

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Solution

The fourth proportional to 166,916.16, 230,218.65 and 115,928.96 is: 159,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,916.16 : 230,218.65 = 115,928.96 : x
  2. Step 2: Convert to fraction form
    166,916.16/230,218.65 = 115,928.96/x
  3. Step 3: Cross multiply
    166,916.16x = 230,218.65 × 115,928.96
  4. Step 4: Simplify right side
    166,916.16x = 26,689,007,516.01
  5. Step 5: Solve for x
    x = 26,689,007,516.01/166,916.16
  6. Step 6: Final answer
    x = 159,894.69

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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.