Home / 186,289.28-279,475.12-67,960.22

Finding the Fourth Proportional to 186,289.28, 279,475.12 and 67,960.22

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Solution

The fourth proportional to 186,289.28, 279,475.12 and 67,960.22 is: 101,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,289.28 : 279,475.12 = 67,960.22 : x
  2. Step 2: Convert to fraction form
    186,289.28/279,475.12 = 67,960.22/x
  3. Step 3: Cross multiply
    186,289.28x = 279,475.12 × 67,960.22
  4. Step 4: Simplify right side
    186,289.28x = 18,993,190,639.73
  5. Step 5: Solve for x
    x = 18,993,190,639.73/186,289.28
  6. Step 6: Final answer
    x = 101,955.36

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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.