Home / 307,194.15-423,803.63-186,291.33

Finding the Fourth Proportional to 307,194.15, 423,803.63 and 186,291.33

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Solution

The fourth proportional to 307,194.15, 423,803.63 and 186,291.33 is: 257,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,194.15 : 423,803.63 = 186,291.33 : x
  2. Step 2: Convert to fraction form
    307,194.15/423,803.63 = 186,291.33/x
  3. Step 3: Cross multiply
    307,194.15x = 423,803.63 × 186,291.33
  4. Step 4: Simplify right side
    307,194.15x = 78,950,940,960.07
  5. Step 5: Solve for x
    x = 78,950,940,960.07/307,194.15
  6. Step 6: Final answer
    x = 257,006.66

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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.