Home / 171,606.12-257,416.02-53,274.84

Finding the Fourth Proportional to 171,606.12, 257,416.02 and 53,274.84

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Solution

The fourth proportional to 171,606.12, 257,416.02 and 53,274.84 is: 79,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,606.12 : 257,416.02 = 53,274.84 : x
  2. Step 2: Convert to fraction form
    171,606.12/257,416.02 = 53,274.84/x
  3. Step 3: Cross multiply
    171,606.12x = 257,416.02 × 53,274.84
  4. Step 4: Simplify right side
    171,606.12x = 13,713,797,278.94
  5. Step 5: Solve for x
    x = 13,713,797,278.94/171,606.12
  6. Step 6: Final answer
    x = 79,914.38

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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.