Home / 186,966.50-280,450.22-74,655.86

Finding the Fourth Proportional to 186,966.50, 280,450.22 and 74,655.86

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Solution

The fourth proportional to 186,966.50, 280,450.22 and 74,655.86 is: 111,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,966.50 : 280,450.22 = 74,655.86 : x
  2. Step 2: Convert to fraction form
    186,966.50/280,450.22 = 74,655.86/x
  3. Step 3: Cross multiply
    186,966.50x = 280,450.22 × 74,655.86
  4. Step 4: Simplify right side
    186,966.50x = 20,937,252,689.14
  5. Step 5: Solve for x
    x = 20,937,252,689.14/186,966.50
  6. Step 6: Final answer
    x = 111,983.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.