Home / 186,856.40-280,252.20-68,466.80

Finding the Fourth Proportional to 186,856.40, 280,252.20 and 68,466.80

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Solution

The fourth proportional to 186,856.40, 280,252.20 and 68,466.80 is: 102,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,856.40 : 280,252.20 = 68,466.80 : x
  2. Step 2: Convert to fraction form
    186,856.40/280,252.20 = 68,466.80/x
  3. Step 3: Cross multiply
    186,856.40x = 280,252.20 × 68,466.80
  4. Step 4: Simplify right side
    186,856.40x = 19,187,971,326.96
  5. Step 5: Solve for x
    x = 19,187,971,326.96/186,856.40
  6. Step 6: Final answer
    x = 102,688.33

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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.