Home / 171,433.40-257,217.72-53,113.94

Finding the Fourth Proportional to 171,433.40, 257,217.72 and 53,113.94

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Solution

The fourth proportional to 171,433.40, 257,217.72 and 53,113.94 is: 79,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,433.40 : 257,217.72 = 53,113.94 : x
  2. Step 2: Convert to fraction form
    171,433.40/257,217.72 = 53,113.94/x
  3. Step 3: Cross multiply
    171,433.40x = 257,217.72 × 53,113.94
  4. Step 4: Simplify right side
    171,433.40x = 13,661,846,547.02
  5. Step 5: Solve for x
    x = 13,661,846,547.02/171,433.40
  6. Step 6: Final answer
    x = 79,691.86

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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.