Home / 163,434.58-225,527.59-91,826.53

Finding the Fourth Proportional to 163,434.58, 225,527.59 and 91,826.53

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Solution

The fourth proportional to 163,434.58, 225,527.59 and 91,826.53 is: 126,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434.58 : 225,527.59 = 91,826.53 : x
  2. Step 2: Convert to fraction form
    163,434.58/225,527.59 = 91,826.53/x
  3. Step 3: Cross multiply
    163,434.58x = 225,527.59 × 91,826.53
  4. Step 4: Simplify right side
    163,434.58x = 20,709,415,559.93
  5. Step 5: Solve for x
    x = 20,709,415,559.93/163,434.58
  6. Step 6: Final answer
    x = 126,713.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.