Home / 186,941.31-257,977.65-102,058.35

Finding the Fourth Proportional to 186,941.31, 257,977.65 and 102,058.35

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Solution

The fourth proportional to 186,941.31, 257,977.65 and 102,058.35 is: 140,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,941.31 : 257,977.65 = 102,058.35 : x
  2. Step 2: Convert to fraction form
    186,941.31/257,977.65 = 102,058.35/x
  3. Step 3: Cross multiply
    186,941.31x = 257,977.65 × 102,058.35
  4. Step 4: Simplify right side
    186,941.31x = 26,328,773,295.88
  5. Step 5: Solve for x
    x = 26,328,773,295.88/186,941.31
  6. Step 6: Final answer
    x = 140,839.78

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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.