Home / 186,857.10-280,243.62-53,707.68

Finding the Fourth Proportional to 186,857.10, 280,243.62 and 53,707.68

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Solution

The fourth proportional to 186,857.10, 280,243.62 and 53,707.68 is: 80,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,857.10 : 280,243.62 = 53,707.68 : x
  2. Step 2: Convert to fraction form
    186,857.10/280,243.62 = 53,707.68/x
  3. Step 3: Cross multiply
    186,857.10x = 280,243.62 × 53,707.68
  4. Step 4: Simplify right side
    186,857.10x = 15,051,234,665.00
  5. Step 5: Solve for x
    x = 15,051,234,665.00/186,857.10
  6. Step 6: Final answer
    x = 80,549.44

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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.