Home / 215,052.93-296,740.53-123,157.92

Finding the Fourth Proportional to 215,052.93, 296,740.53 and 123,157.92

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Solution

The fourth proportional to 215,052.93, 296,740.53 and 123,157.92 is: 169,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,052.93 : 296,740.53 = 123,157.92 : x
  2. Step 2: Convert to fraction form
    215,052.93/296,740.53 = 123,157.92/x
  3. Step 3: Cross multiply
    215,052.93x = 296,740.53 × 123,157.92
  4. Step 4: Simplify right side
    215,052.93x = 36,545,946,454.50
  5. Step 5: Solve for x
    x = 36,545,946,454.50/215,052.93
  6. Step 6: Final answer
    x = 169,939.31

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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.