Home / 185,749.65-278,621.49-73,430.91

Finding the Fourth Proportional to 185,749.65, 278,621.49 and 73,430.91

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Solution

The fourth proportional to 185,749.65, 278,621.49 and 73,430.91 is: 110,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,749.65 : 278,621.49 = 73,430.91 : x
  2. Step 2: Convert to fraction form
    185,749.65/278,621.49 = 73,430.91/x
  3. Step 3: Cross multiply
    185,749.65x = 278,621.49 × 73,430.91
  4. Step 4: Simplify right side
    185,749.65x = 20,459,430,876.45
  5. Step 5: Solve for x
    x = 20,459,430,876.45/185,749.65
  6. Step 6: Final answer
    x = 110,145.19

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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.