Home / 211,924.49-292,286.63-139,401.86

Finding the Fourth Proportional to 211,924.49, 292,286.63 and 139,401.86

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Solution

The fourth proportional to 211,924.49, 292,286.63 and 139,401.86 is: 192,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,924.49 : 292,286.63 = 139,401.86 : x
  2. Step 2: Convert to fraction form
    211,924.49/292,286.63 = 139,401.86/x
  3. Step 3: Cross multiply
    211,924.49x = 292,286.63 × 139,401.86
  4. Step 4: Simplify right side
    211,924.49x = 40,745,298,762.20
  5. Step 5: Solve for x
    x = 40,745,298,762.20/211,924.49
  6. Step 6: Final answer
    x = 192,263.29

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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.