Home / 186,749.30-280,081.23-53,628.50

Finding the Fourth Proportional to 186,749.30, 280,081.23 and 53,628.50

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Solution

The fourth proportional to 186,749.30, 280,081.23 and 53,628.50 is: 80,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,749.30 : 280,081.23 = 53,628.50 : x
  2. Step 2: Convert to fraction form
    186,749.30/280,081.23 = 53,628.50/x
  3. Step 3: Cross multiply
    186,749.30x = 280,081.23 × 53,628.50
  4. Step 4: Simplify right side
    186,749.30x = 15,020,336,243.06
  5. Step 5: Solve for x
    x = 15,020,336,243.06/186,749.30
  6. Step 6: Final answer
    x = 80,430.48

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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.