Home / 211,186.44-291,437.28-126,303.50

Finding the Fourth Proportional to 211,186.44, 291,437.28 and 126,303.50

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Solution

The fourth proportional to 211,186.44, 291,437.28 and 126,303.50 is: 174,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186.44 : 291,437.28 = 126,303.50 : x
  2. Step 2: Convert to fraction form
    211,186.44/291,437.28 = 126,303.50/x
  3. Step 3: Cross multiply
    211,186.44x = 291,437.28 × 126,303.50
  4. Step 4: Simplify right side
    211,186.44x = 36,809,548,494.48
  5. Step 5: Solve for x
    x = 36,809,548,494.48/211,186.44
  6. Step 6: Final answer
    x = 174,298.83

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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.