Home / 186,787.31-257,765.60-101,904.37

Finding the Fourth Proportional to 186,787.31, 257,765.60 and 101,904.37

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Solution

The fourth proportional to 186,787.31, 257,765.60 and 101,904.37 is: 140,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,787.31 : 257,765.60 = 101,904.37 : x
  2. Step 2: Convert to fraction form
    186,787.31/257,765.60 = 101,904.37/x
  3. Step 3: Cross multiply
    186,787.31x = 257,765.60 × 101,904.37
  4. Step 4: Simplify right side
    186,787.31x = 26,267,440,686.02
  5. Step 5: Solve for x
    x = 26,267,440,686.02/186,787.31
  6. Step 6: Final answer
    x = 140,627.55

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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.