Home / 171,716.13-257,530.45-53,326.53

Finding the Fourth Proportional to 171,716.13, 257,530.45 and 53,326.53

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Solution

The fourth proportional to 171,716.13, 257,530.45 and 53,326.53 is: 79,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,716.13 : 257,530.45 = 53,326.53 : x
  2. Step 2: Convert to fraction form
    171,716.13/257,530.45 = 53,326.53/x
  3. Step 3: Cross multiply
    171,716.13x = 257,530.45 × 53,326.53
  4. Step 4: Simplify right side
    171,716.13x = 13,733,205,267.84
  5. Step 5: Solve for x
    x = 13,733,205,267.84/171,716.13
  6. Step 6: Final answer
    x = 79,976.21

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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.