Home / 185,956.40-278,740.20-101,586.80

Finding the Fourth Proportional to 185,956.40, 278,740.20 and 101,586.80

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Solution

The fourth proportional to 185,956.40, 278,740.20 and 101,586.80 is: 152,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956.40 : 278,740.20 = 101,586.80 : x
  2. Step 2: Convert to fraction form
    185,956.40/278,740.20 = 101,586.80/x
  3. Step 3: Cross multiply
    185,956.40x = 278,740.20 × 101,586.80
  4. Step 4: Simplify right side
    185,956.40x = 28,316,324,949.36
  5. Step 5: Solve for x
    x = 28,316,324,949.36/185,956.40
  6. Step 6: Final answer
    x = 152,274.00

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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.