Home / 171,376.68-257,039.64-66,182.52

Finding the Fourth Proportional to 171,376.68, 257,039.64 and 66,182.52

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Solution

The fourth proportional to 171,376.68, 257,039.64 and 66,182.52 is: 99,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,376.68 : 257,039.64 = 66,182.52 : x
  2. Step 2: Convert to fraction form
    171,376.68/257,039.64 = 66,182.52/x
  3. Step 3: Cross multiply
    171,376.68x = 257,039.64 × 66,182.52
  4. Step 4: Simplify right side
    171,376.68x = 17,011,531,115.09
  5. Step 5: Solve for x
    x = 17,011,531,115.09/171,376.68
  6. Step 6: Final answer
    x = 99,263.98

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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.