Home / 211,745.04-292,199.76-121,096.32

Finding the Fourth Proportional to 211,745.04, 292,199.76 and 121,096.32

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Solution

The fourth proportional to 211,745.04, 292,199.76 and 121,096.32 is: 167,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,745.04 : 292,199.76 = 121,096.32 : x
  2. Step 2: Convert to fraction form
    211,745.04/292,199.76 = 121,096.32/x
  3. Step 3: Cross multiply
    211,745.04x = 292,199.76 × 121,096.32
  4. Step 4: Simplify right side
    211,745.04x = 35,384,315,640.88
  5. Step 5: Solve for x
    x = 35,384,315,640.88/211,745.04
  6. Step 6: Final answer
    x = 167,108.12

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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.