Home / 211,058.29-316,084.87-122,124.37

Finding the Fourth Proportional to 211,058.29, 316,084.87 and 122,124.37

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Solution

The fourth proportional to 211,058.29, 316,084.87 and 122,124.37 is: 182,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,058.29 : 316,084.87 = 122,124.37 : x
  2. Step 2: Convert to fraction form
    211,058.29/316,084.87 = 122,124.37/x
  3. Step 3: Cross multiply
    211,058.29x = 316,084.87 × 122,124.37
  4. Step 4: Simplify right side
    211,058.29x = 38,601,665,615.28
  5. Step 5: Solve for x
    x = 38,601,665,615.28/211,058.29
  6. Step 6: Final answer
    x = 182,895.76

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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.