Home / 186,880.30-257,895.24-102,002.80

Finding the Fourth Proportional to 186,880.30, 257,895.24 and 102,002.80

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Solution

The fourth proportional to 186,880.30, 257,895.24 and 102,002.80 is: 140,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,880.30 : 257,895.24 = 102,002.80 : x
  2. Step 2: Convert to fraction form
    186,880.30/257,895.24 = 102,002.80/x
  3. Step 3: Cross multiply
    186,880.30x = 257,895.24 × 102,002.80
  4. Step 4: Simplify right side
    186,880.30x = 26,306,036,586.67
  5. Step 5: Solve for x
    x = 26,306,036,586.67/186,880.30
  6. Step 6: Final answer
    x = 140,764.10

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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.