Home / 185,822.70-278,734.05-156,954.30

Finding the Fourth Proportional to 185,822.70, 278,734.05 and 156,954.30

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Solution

The fourth proportional to 185,822.70, 278,734.05 and 156,954.30 is: 235,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,822.70 : 278,734.05 = 156,954.30 : x
  2. Step 2: Convert to fraction form
    185,822.70/278,734.05 = 156,954.30/x
  3. Step 3: Cross multiply
    185,822.70x = 278,734.05 × 156,954.30
  4. Step 4: Simplify right side
    185,822.70x = 43,748,507,703.92
  5. Step 5: Solve for x
    x = 43,748,507,703.92/185,822.70
  6. Step 6: Final answer
    x = 235,431.45

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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.