Home / 211,638.86-292,074.76-139,894.46

Finding the Fourth Proportional to 211,638.86, 292,074.76 and 139,894.46

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Solution

The fourth proportional to 211,638.86, 292,074.76 and 139,894.46 is: 193,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,638.86 : 292,074.76 = 139,894.46 : x
  2. Step 2: Convert to fraction form
    211,638.86/292,074.76 = 139,894.46/x
  3. Step 3: Cross multiply
    211,638.86x = 292,074.76 × 139,894.46
  4. Step 4: Simplify right side
    211,638.86x = 40,859,640,829.83
  5. Step 5: Solve for x
    x = 40,859,640,829.83/211,638.86
  6. Step 6: Final answer
    x = 193,063.04

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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.