Home / 186,151.24-279,134.61-66,190.20

Finding the Fourth Proportional to 186,151.24, 279,134.61 and 66,190.20

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Solution

The fourth proportional to 186,151.24, 279,134.61 and 66,190.20 is: 99,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,151.24 : 279,134.61 = 66,190.20 : x
  2. Step 2: Convert to fraction form
    186,151.24/279,134.61 = 66,190.20/x
  3. Step 3: Cross multiply
    186,151.24x = 279,134.61 × 66,190.20
  4. Step 4: Simplify right side
    186,151.24x = 18,475,975,662.82
  5. Step 5: Solve for x
    x = 18,475,975,662.82/186,151.24
  6. Step 6: Final answer
    x = 99,252.50

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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.