Home / 211,012.32-316,549.60-61,233.14

Finding the Fourth Proportional to 211,012.32, 316,549.60 and 61,233.14

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Solution

The fourth proportional to 211,012.32, 316,549.60 and 61,233.14 is: 91,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,012.32 : 316,549.60 = 61,233.14 : x
  2. Step 2: Convert to fraction form
    211,012.32/316,549.60 = 61,233.14/x
  3. Step 3: Cross multiply
    211,012.32x = 316,549.60 × 61,233.14
  4. Step 4: Simplify right side
    211,012.32x = 19,383,325,973.74
  5. Step 5: Solve for x
    x = 19,383,325,973.74/211,012.32
  6. Step 6: Final answer
    x = 91,858.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.