Home / 186,098.45-279,272.21-66,150.68

Finding the Fourth Proportional to 186,098.45, 279,272.21 and 66,150.68

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Solution

The fourth proportional to 186,098.45, 279,272.21 and 66,150.68 is: 99,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,098.45 : 279,272.21 = 66,150.68 : x
  2. Step 2: Convert to fraction form
    186,098.45/279,272.21 = 66,150.68/x
  3. Step 3: Cross multiply
    186,098.45x = 279,272.21 × 66,150.68
  4. Step 4: Simplify right side
    186,098.45x = 18,474,044,869.49
  5. Step 5: Solve for x
    x = 18,474,044,869.49/186,098.45
  6. Step 6: Final answer
    x = 99,270.28

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1.5x scale

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.