Home / 185,585.16-278,351.82-79,011.84

Finding the Fourth Proportional to 185,585.16, 278,351.82 and 79,011.84

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Solution

The fourth proportional to 185,585.16, 278,351.82 and 79,011.84 is: 118,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,585.16 : 278,351.82 = 79,011.84 : x
  2. Step 2: Convert to fraction form
    185,585.16/278,351.82 = 79,011.84/x
  3. Step 3: Cross multiply
    185,585.16x = 278,351.82 × 79,011.84
  4. Step 4: Simplify right side
    185,585.16x = 21,993,089,465.55
  5. Step 5: Solve for x
    x = 21,993,089,465.55/185,585.16
  6. Step 6: Final answer
    x = 118,506.72

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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.