Home / 186,638.40-257,560.32-101,755.44

Finding the Fourth Proportional to 186,638.40, 257,560.32 and 101,755.44

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Solution

The fourth proportional to 186,638.40, 257,560.32 and 101,755.44 is: 140,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,638.40 : 257,560.32 = 101,755.44 : x
  2. Step 2: Convert to fraction form
    186,638.40/257,560.32 = 101,755.44/x
  3. Step 3: Cross multiply
    186,638.40x = 257,560.32 × 101,755.44
  4. Step 4: Simplify right side
    186,638.40x = 26,208,163,688.14
  5. Step 5: Solve for x
    x = 26,208,163,688.14/186,638.40
  6. Step 6: Final answer
    x = 140,422.14

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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.