Home / 211,186.20-291,436.94-126,303.26

Finding the Fourth Proportional to 211,186.20, 291,436.94 and 126,303.26

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Solution

The fourth proportional to 211,186.20, 291,436.94 and 126,303.26 is: 174,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186.20 : 291,436.94 = 126,303.26 : x
  2. Step 2: Convert to fraction form
    211,186.20/291,436.94 = 126,303.26/x
  3. Step 3: Cross multiply
    211,186.20x = 291,436.94 × 126,303.26
  4. Step 4: Simplify right side
    211,186.20x = 36,809,435,606.42
  5. Step 5: Solve for x
    x = 36,809,435,606.42/211,186.20
  6. Step 6: Final answer
    x = 174,298.49

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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.