Home / 340,400.08-469,733.52-187,409.22

Finding the Fourth Proportional to 340,400.08, 469,733.52 and 187,409.22

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Solution

The fourth proportional to 340,400.08, 469,733.52 and 187,409.22 is: 258,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,400.08 : 469,733.52 = 187,409.22 : x
  2. Step 2: Convert to fraction form
    340,400.08/469,733.52 = 187,409.22/x
  3. Step 3: Cross multiply
    340,400.08x = 469,733.52 × 187,409.22
  4. Step 4: Simplify right side
    340,400.08x = 88,032,394,441.54
  5. Step 5: Solve for x
    x = 88,032,394,441.54/340,400.08
  6. Step 6: Final answer
    x = 258,614.49

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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.