Home / 211,636.32-292,057.11-114,840.15

Finding the Fourth Proportional to 211,636.32, 292,057.11 and 114,840.15

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Solution

The fourth proportional to 211,636.32, 292,057.11 and 114,840.15 is: 158,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,636.32 : 292,057.11 = 114,840.15 : x
  2. Step 2: Convert to fraction form
    211,636.32/292,057.11 = 114,840.15/x
  3. Step 3: Cross multiply
    211,636.32x = 292,057.11 × 114,840.15
  4. Step 4: Simplify right side
    211,636.32x = 33,539,882,320.97
  5. Step 5: Solve for x
    x = 33,539,882,320.97/211,636.32
  6. Step 6: Final answer
    x = 158,478.86

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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.