Home / 186,626.40-279,939.60-60,266.40

Finding the Fourth Proportional to 186,626.40, 279,939.60 and 60,266.40

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Solution

The fourth proportional to 186,626.40, 279,939.60 and 60,266.40 is: 90,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626.40 : 279,939.60 = 60,266.40 : x
  2. Step 2: Convert to fraction form
    186,626.40/279,939.60 = 60,266.40/x
  3. Step 3: Cross multiply
    186,626.40x = 279,939.60 × 60,266.40
  4. Step 4: Simplify right side
    186,626.40x = 16,870,951,909.44
  5. Step 5: Solve for x
    x = 16,870,951,909.44/186,626.40
  6. Step 6: Final answer
    x = 90,399.60

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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.