Home / 225,636.90-338,455.80-57,157.26

Finding the Fourth Proportional to 225,636.90, 338,455.80 and 57,157.26

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Solution

The fourth proportional to 225,636.90, 338,455.80 and 57,157.26 is: 85,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,636.90 : 338,455.80 = 57,157.26 : x
  2. Step 2: Convert to fraction form
    225,636.90/338,455.80 = 57,157.26/x
  3. Step 3: Cross multiply
    225,636.90x = 338,455.80 × 57,157.26
  4. Step 4: Simplify right side
    225,636.90x = 19,345,206,159.11
  5. Step 5: Solve for x
    x = 19,345,206,159.11/225,636.90
  6. Step 6: Final answer
    x = 85,736.00

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1.5x scale

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.