Home / 164,218.77-226,623.54-91,621.08

Finding the Fourth Proportional to 164,218.77, 226,623.54 and 91,621.08

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Solution

The fourth proportional to 164,218.77, 226,623.54 and 91,621.08 is: 126,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,218.77 : 226,623.54 = 91,621.08 : x
  2. Step 2: Convert to fraction form
    164,218.77/226,623.54 = 91,621.08/x
  3. Step 3: Cross multiply
    164,218.77x = 226,623.54 × 91,621.08
  4. Step 4: Simplify right side
    164,218.77x = 20,763,493,488.22
  5. Step 5: Solve for x
    x = 20,763,493,488.22/164,218.77
  6. Step 6: Final answer
    x = 126,438.00

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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.