Home / 171,814.23-257,885.51-105,384.24

Finding the Fourth Proportional to 171,814.23, 257,885.51 and 105,384.24

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Solution

The fourth proportional to 171,814.23, 257,885.51 and 105,384.24 is: 158,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,814.23 : 257,885.51 = 105,384.24 : x
  2. Step 2: Convert to fraction form
    171,814.23/257,885.51 = 105,384.24/x
  3. Step 3: Cross multiply
    171,814.23x = 257,885.51 × 105,384.24
  4. Step 4: Simplify right side
    171,814.23x = 27,177,067,951.44
  5. Step 5: Solve for x
    x = 27,177,067,951.44/171,814.23
  6. Step 6: Final answer
    x = 158,177.05

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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.