Home / 171,966.60-257,986.35-52,013.70

Finding the Fourth Proportional to 171,966.60, 257,986.35 and 52,013.70

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Solution

The fourth proportional to 171,966.60, 257,986.35 and 52,013.70 is: 78,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,966.60 : 257,986.35 = 52,013.70 : x
  2. Step 2: Convert to fraction form
    171,966.60/257,986.35 = 52,013.70/x
  3. Step 3: Cross multiply
    171,966.60x = 257,986.35 × 52,013.70
  4. Step 4: Simplify right side
    171,966.60x = 13,418,824,613.00
  5. Step 5: Solve for x
    x = 13,418,824,613.00/171,966.60
  6. Step 6: Final answer
    x = 78,031.57

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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.