Home / 164,070.36-226,415.76-91,472.39

Finding the Fourth Proportional to 164,070.36, 226,415.76 and 91,472.39

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Solution

The fourth proportional to 164,070.36, 226,415.76 and 91,472.39 is: 126,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,070.36 : 226,415.76 = 91,472.39 : x
  2. Step 2: Convert to fraction form
    164,070.36/226,415.76 = 91,472.39/x
  3. Step 3: Cross multiply
    164,070.36x = 226,415.76 × 91,472.39
  4. Step 4: Simplify right side
    164,070.36x = 20,710,790,074.83
  5. Step 5: Solve for x
    x = 20,710,790,074.83/164,070.36
  6. Step 6: Final answer
    x = 126,231.15

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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.