Home / 211,336.56-291,643.92-126,453.60

Finding the Fourth Proportional to 211,336.56, 291,643.92 and 126,453.60

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Solution

The fourth proportional to 211,336.56, 291,643.92 and 126,453.60 is: 174,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,336.56 : 291,643.92 = 126,453.60 : x
  2. Step 2: Convert to fraction form
    211,336.56/291,643.92 = 126,453.60/x
  3. Step 3: Cross multiply
    211,336.56x = 291,643.92 × 126,453.60
  4. Step 4: Simplify right side
    211,336.56x = 36,879,423,602.11
  5. Step 5: Solve for x
    x = 36,879,423,602.11/211,336.56
  6. Step 6: Final answer
    x = 174,505.65

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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.