Home / 293,408.38-405,151.77-186,168.70

Finding the Fourth Proportional to 293,408.38, 405,151.77 and 186,168.70

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Solution

The fourth proportional to 293,408.38, 405,151.77 and 186,168.70 is: 257,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,408.38 : 405,151.77 = 186,168.70 : x
  2. Step 2: Convert to fraction form
    293,408.38/405,151.77 = 186,168.70/x
  3. Step 3: Cross multiply
    293,408.38x = 405,151.77 × 186,168.70
  4. Step 4: Simplify right side
    293,408.38x = 75,426,578,323.60
  5. Step 5: Solve for x
    x = 75,426,578,323.60/293,408.38
  6. Step 6: Final answer
    x = 257,070.29

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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.