Home / 186,916.50-280,374.75-55,588.50

Finding the Fourth Proportional to 186,916.50, 280,374.75 and 55,588.50

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Solution

The fourth proportional to 186,916.50, 280,374.75 and 55,588.50 is: 83,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,916.50 : 280,374.75 = 55,588.50 : x
  2. Step 2: Convert to fraction form
    186,916.50/280,374.75 = 55,588.50/x
  3. Step 3: Cross multiply
    186,916.50x = 280,374.75 × 55,588.50
  4. Step 4: Simplify right side
    186,916.50x = 15,585,611,790.38
  5. Step 5: Solve for x
    x = 15,585,611,790.38/186,916.50
  6. Step 6: Final answer
    x = 83,382.75

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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.