Home / 157,705.73-217,601.23-93,142.23

Finding the Fourth Proportional to 157,705.73, 217,601.23 and 93,142.23

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Solution

The fourth proportional to 157,705.73, 217,601.23 and 93,142.23 is: 128,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,705.73 : 217,601.23 = 93,142.23 : x
  2. Step 2: Convert to fraction form
    157,705.73/217,601.23 = 93,142.23/x
  3. Step 3: Cross multiply
    157,705.73x = 217,601.23 × 93,142.23
  4. Step 4: Simplify right side
    157,705.73x = 20,267,863,812.94
  5. Step 5: Solve for x
    x = 20,267,863,812.94/157,705.73
  6. Step 6: Final answer
    x = 128,516.98

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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.