Home / 331,447.06-457,400.07-188,210.11

Finding the Fourth Proportional to 331,447.06, 457,400.07 and 188,210.11

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Solution

The fourth proportional to 331,447.06, 457,400.07 and 188,210.11 is: 259,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,447.06 : 457,400.07 = 188,210.11 : x
  2. Step 2: Convert to fraction form
    331,447.06/457,400.07 = 188,210.11/x
  3. Step 3: Cross multiply
    331,447.06x = 457,400.07 × 188,210.11
  4. Step 4: Simplify right side
    331,447.06x = 86,087,317,488.71
  5. Step 5: Solve for x
    x = 86,087,317,488.71/331,447.06
  6. Step 6: Final answer
    x = 259,731.73

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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.