Home / 186,710.17-280,106.89-53,580.05

Finding the Fourth Proportional to 186,710.17, 280,106.89 and 53,580.05

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Solution

The fourth proportional to 186,710.17, 280,106.89 and 53,580.05 is: 80,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,710.17 : 280,106.89 = 53,580.05 : x
  2. Step 2: Convert to fraction form
    186,710.17/280,106.89 = 53,580.05/x
  3. Step 3: Cross multiply
    186,710.17x = 280,106.89 × 53,580.05
  4. Step 4: Simplify right side
    186,710.17x = 15,008,141,171.54
  5. Step 5: Solve for x
    x = 15,008,141,171.54/186,710.17
  6. Step 6: Final answer
    x = 80,382.02

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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.