Home / 163,928.76-226,215.57-91,329.93

Finding the Fourth Proportional to 163,928.76, 226,215.57 and 91,329.93

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Solution

The fourth proportional to 163,928.76, 226,215.57 and 91,329.93 is: 126,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,928.76 : 226,215.57 = 91,329.93 : x
  2. Step 2: Convert to fraction form
    163,928.76/226,215.57 = 91,329.93/x
  3. Step 3: Cross multiply
    163,928.76x = 226,215.57 × 91,329.93
  4. Step 4: Simplify right side
    163,928.76x = 20,660,252,173.01
  5. Step 5: Solve for x
    x = 20,660,252,173.01/163,928.76
  6. Step 6: Final answer
    x = 126,031.89

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1.5x scale

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.