Home / 211,371.10-291,682.95-126,534.94

Finding the Fourth Proportional to 211,371.10, 291,682.95 and 126,534.94

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Solution

The fourth proportional to 211,371.10, 291,682.95 and 126,534.94 is: 174,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,371.10 : 291,682.95 = 126,534.94 : x
  2. Step 2: Convert to fraction form
    211,371.10/291,682.95 = 126,534.94/x
  3. Step 3: Cross multiply
    211,371.10x = 291,682.95 × 126,534.94
  4. Step 4: Simplify right side
    211,371.10x = 36,908,084,577.27
  5. Step 5: Solve for x
    x = 36,908,084,577.27/211,371.10
  6. Step 6: Final answer
    x = 174,612.73

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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.