Home / 186,885.30-257,894.49-102,002.36

Finding the Fourth Proportional to 186,885.30, 257,894.49 and 102,002.36

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Solution

The fourth proportional to 186,885.30, 257,894.49 and 102,002.36 is: 140,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,885.30 : 257,894.49 = 102,002.36 : x
  2. Step 2: Convert to fraction form
    186,885.30/257,894.49 = 102,002.36/x
  3. Step 3: Cross multiply
    186,885.30x = 257,894.49 × 102,002.36
  4. Step 4: Simplify right side
    186,885.30x = 26,305,846,611.00
  5. Step 5: Solve for x
    x = 26,305,846,611.00/186,885.30
  6. Step 6: Final answer
    x = 140,759.31

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1.5x scale

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.