Home / 186,895.18-280,385.70-53,776.54

Finding the Fourth Proportional to 186,895.18, 280,385.70 and 53,776.54

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Solution

The fourth proportional to 186,895.18, 280,385.70 and 53,776.54 is: 80,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,895.18 : 280,385.70 = 53,776.54 : x
  2. Step 2: Convert to fraction form
    186,895.18/280,385.70 = 53,776.54/x
  3. Step 3: Cross multiply
    186,895.18x = 280,385.70 × 53,776.54
  4. Step 4: Simplify right side
    186,895.18x = 15,078,171,140.67
  5. Step 5: Solve for x
    x = 15,078,171,140.67/186,895.18
  6. Step 6: Final answer
    x = 80,677.16

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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.