Home / 171,397.35-257,139.50-51,453.63

Finding the Fourth Proportional to 171,397.35, 257,139.50 and 51,453.63

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Solution

The fourth proportional to 171,397.35, 257,139.50 and 51,453.63 is: 77,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,397.35 : 257,139.50 = 51,453.63 : x
  2. Step 2: Convert to fraction form
    171,397.35/257,139.50 = 51,453.63/x
  3. Step 3: Cross multiply
    171,397.35x = 257,139.50 × 51,453.63
  4. Step 4: Simplify right side
    171,397.35x = 13,230,760,434.12
  5. Step 5: Solve for x
    x = 13,230,760,434.12/171,397.35
  6. Step 6: Final answer
    x = 77,193.49

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1.5x scale

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.