Home / 171,565.22-257,364.46-53,204.78

Finding the Fourth Proportional to 171,565.22, 257,364.46 and 53,204.78

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Solution

The fourth proportional to 171,565.22, 257,364.46 and 53,204.78 is: 79,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,565.22 : 257,364.46 = 53,204.78 : x
  2. Step 2: Convert to fraction form
    171,565.22/257,364.46 = 53,204.78/x
  3. Step 3: Cross multiply
    171,565.22x = 257,364.46 × 53,204.78
  4. Step 4: Simplify right side
    171,565.22x = 13,693,020,184.04
  5. Step 5: Solve for x
    x = 13,693,020,184.04/171,565.22
  6. Step 6: Final answer
    x = 79,812.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.